2008-09-28	137.2	2.579		53.2	"Trip home from N.H. after picking up Civic HX."
2008-10-02	386.1	9.464	$3.659	40.8	"Fillup after three or four days commuting."
2008-10-02	48.5	1.17	$3.659	41.45	""
2008-10-03	109.4	2.098	$3.679	52.14	"This 'tank' after noting that temp gauge was dipping seriously on coasting etc. This tank included minimal coasting in a futile effort to keep the engine temp up. Remedied just before this fillup by changing out the thermostat. Next tank is on new t'stat and new tires."
2008-10-05	127.5	3.844	$3.599	33.17	"Dunno why such low mpg. Entire ""tank"" was on new t'stat. Possibly the computer was still figuring things out."
2008-10-06	135.9	2.539	$3.699	53.53	"Trip to NY with Mike in car. He drove about 1/2 hour, did OK. Apparently the computer figured itself out by this time as mpg was very nice."
2008-10-08	353.9	8.546	$3.459	41.41	"Return trip from NY, to/from work with Frank P. (fast), then back up again Wed. and fillup in a.m. in E. Hartford. After fillup I topped up the tire psi, should now be about 44/42 cold, front/rear."
2008-10-09	172	4.004	$3.399	42.96	"Three commute legs plus two rehearsals. Two legs using true P&G with engine off coasts. One of those two, had the trunk open! Blame that on craziness from the home renovation fixit project."
2008-10-10	109.9	2.548	$3.399	43.13	"Did lots of true Pulse & Glide with engine off for the coast portions. Pretty decent results considering these two commute legs included pickup + dropoff of my car pool buddy. But I did expect better."
2008-10-17	397.8	9.467	$2.939	42.02	""
2008-10-19	45.6	1.019	$3.099	44.75	"Weekend stuff - trips to Groton + New London/Wtfd. Full EOC P&G. To see what I could do with that. Next is to fill up after each commute leg to test techniques."
2008-10-20	103.3	2.444	$2.999	42.27	"two short fillups combined"
2008-10-22	152.7	3.956	$3.079	38.6	"two short fillups combined. Lots of errands etc."
2008-10-24	236.5	5.778	$2.999	40.93	""
2008-10-28	360.9	8.584	$2.579	42.04	"Half way thru the tank the r.r. brake was scraping badly. Two or three legs done in serious rain. Rainy trip to N.H. to see ENT Dr. Kveton with rotten rear brake. Following fill of Nov 9 2008 was a Volvo 240 fillup, erroneously entered here originally. Receipt shows ""plus"" grade of gas which is what the V. 240 gets. Civic at the time was fed 87 regular."
2008-11-12	320.9	8.482	$2.299	37.83	"Scangauge arrived Monday 11/10. Not sure when installed. I think some time that week."
2008-11-14	146.9	3.501	$2.259	41.96	""
2008-11-17	232.7	6.091	$2.199	38.2	""
2008-11-20	294.7	6.967	$2.159	42.3	""
2008-11-25	301.2	7.861	$1.999	38.32	""
2008-11-30	209	5.653		36.97	""
2008-11-30	73.5	1.675		43.88	""
2008-12-04	431.3	9.843	$1.899	43.82	"Actually 9.268 + .575 gal later because I forgot to zero the trip odometer. Normally I wouldn't go that long before a fillup."
2008-12-11	326.9	7.391	$1.799	44.23	""
2008-12-12	91	2.472		36.81	"Dry cool weather, could only get about 20% lean burn time. Dunno why."
2008-12-12	142.8	3.475	$1.799	41.09	""
2008-12-16	184.8	4.686	$1.799	39.44	""
2008-12-18	336.3	7.463	$1.859	45.06	""
2008-12-24	357.3	9.873	$1.769	36.19	""
2009-01-04	295.5	7.87	$1.899	37.55	""
2009-01-06	93.2	1.903	$1.719	48.98	"~80-90% Lean Burn. ScanGauge predicted 2.5 gal.; it took 1.903 gal for 93.2 miles. Lean Burn gave an INCREASE of 31.4% over the SG's predicted mpg."
2009-01-12	330.6	8.61		38.4	"Included short local trips in rotten winter snowy conditions."
2009-01-14	124.7	3.266		38.18	"All highway miles. Bad headwind going to work."
2009-01-15	227.2	6.273		36.22	"Very little lean burn. Very cold outside temps: about 0 deg. F. in a.m., max about 15-17 deg. F. in daytime."
2009-01-19	245	6.261	$1.919	39.13	"While driving this tank I had a Gunk motor flush/change followed by a rinse oil change and then trans fluid change. Flush + rinse used about 15 min. idling time. Virtually no Lean Burn."
2009-01-22	299.2	7.971	$1.919	37.54	"One very short fill (.704 gal) combined with a regular fill. Had a check engine light - the old Cat converter code. Oil level was at half mark when I checked; my theory is oil burning fouled the cat. Just before the CEL it went out of lean burn and stayed. After that, after 1.5 commute trips, it went into LB no problem."
2009-01-27	305.5	7.859	$1.899	38.87	"Cold dry weather has enabled lean burn. It goes into LB fairly easily and tends to stay there. Note this is after a recent multiple oil change. Not sure if that has something to do with it."
2009-02-01	268.2	7.339		36.54	"Removed ScanGauge for warranty repair shortly before fill. Reason: most tanks suffered a data corruption whereby the full tank distance, gallons and mpg were not available at fill time. Display labels such as ""MPG"" or dFE would also corrupt and show some characters incorrectly. See photobucket album http://s188.photobucket.com/albums/z11/brucepick/ScanGauge%20Corrupted%20Dec%2023/ and similar for Dec. 30, 2008."
2009-02-06	326.2	7.919	$1.999	41.19	"All dry roads, as I recall. Must have been in LB a lot for this tank. No ScanGauge. It arrived back from warranty svce ~60 mi. after this fill."
2009-02-07	73.9	2.23	$2.019	33.14	"Filled after setting up ScanGauge just received back from warranty repair. Hose spilled fuel. Actual sold amount was 2.37 gal."
2009-02-11	182	4.605	$2.159	39.52	""
2009-02-12	147.1	3.824	$2.079	38.47	"Avg speed 45 mph. This was essentially all highway; I was surprised the avg wasn't about 60. My first time noting avg tank speed. High percentage lean burn. Maybe 60-70%? ScanGauge messed up during this tank. Fortunately it was two small fills combined; I only lost the gauge data from the first mini-fill."
2009-02-18	288.3	7.354	$2.039	39.2	"Some lean burn but not consistent."
2009-02-20	307.6	7.945	$2.099	38.72	"Interesting: Rarely would achieve lean burn this a.m. Then I reinstalled the grill block chunk I'd removed the previous afternoon due to running hot (192 or 197ºF). With grill block restored (right side of car), it went right into LB and stayed there. My theory is that the intake air warmed up as a result of restored block."
2009-02-21	65.7	1.948	$2.069	33.73	"ScanGauge failed twice: it reset mileage to zero. This entry is two small fillups I did, with a reset of tank clock to zero. First time, I spotted it and topped off within a couple miles to restart the tank counter. Second time, spotted immediately and topped off within about .4 miles. Both 'tanks' were full of short trips, one with heater running max heat."
2009-02-27	324.1	7.713	$1.969	42.02	"Filled at E. Htfd. Shell, Main St. Warmer weather means more time in Lean Burn mode. If roads are wet, 32ºF seems to be the switching point. I've seen misting conditions around 32-40º where lean burn was limited to TPS mid 20's, not up to TPS 32º as with dry roads."
2009-03-02	222	6.226	$1.999	35.66	"Filled up at Rt. 395 Mobil. Had a difficult tank. One or maybe even two check engine lights. Then one commute leg on snowy roads without lean burn, and the trip back on clean wet roads, again no lean burn."
2009-03-07	357.9	8.74	$2.159	40.95	"warmer weather = more Lean Burn. Tank did include a couple legs without LB though, if I recall."
2009-03-10	166.9	4.057	$2.039	41.14	"Lots of lean burn, thanks to the new HAI that I set up on 3/7/09."
2009-03-13	317.6	8.329		38.13	"Avg. speed tank, 46 mph. 2.5 legs (total 150 miles) with essentially no lean burn. My theory is - it's due to the Shell gas I was buying, nitrogen-enriched. Messing up the HX's 3-way cat converter that processes NOx. No more Shell gas for me - let's see if that fixes it. I had the engine temp up over 180 deg. F and intake temps were around 70-80 also. No issues there."
2009-03-16	165	4.8	$1.979	34.38	"Jackie and Mike drove to Avon (Htfd) and back."
2009-03-19	361.3	8.459	$1.659	42.71	"66 gas station in E. Htfd."
2009-03-23	201.2	5.328	$1.999	37.76	"East Hartford 66 station. 39 mph. Avg."
2009-04-05	336.8	8.698	$2.159	38.72	"I-95 rest stop fillup. Tank had shorter trips due to not working. Had more lean burn due to better weather and ?? Net mpg not so great - 38.72 mpg."
2009-04-08	288.3	7.056	$2.159	40.86	"Shell gas in Bronx on the way to Port Washington for Passover."
2009-04-15	390.3	9.508		41.05	""
2009-04-18	431.8	9.965	$2.079	43.33	"89 octane in NJ on the way home from Phia. trip. Car had approx 30 mi. on the tank before we left and got out of PA before we needed gas. Jackie heard pinging which is why we got 89 octane. My theory was that ping was caused by hot intake air so I restored the oem configuration."
2009-04-22	368.5	8.98	$2.159	41.04	"Previous fillup in NJ done by station service person, was 89 octane. This fillup 87 octane."
2009-04-25	290.6	6.165	$2.029	47.14	"In Mass. outside Boston; 87 octane. Had a tailwind going up to Boston. Headwind going back down; that's on the tank following this fillup."
2009-04-27	363.6	7.482	$2.199	48.6	"On I-95 coming home from Port Washington NY."
2009-05-05	376.1	9.09		41.38	"Had some issues maintaining LB. Finally settled on full grill block on left side, and right side fully blocked in the upper area only. For very cool am's maybe an extra blocking chunk on the right side."
2009-05-11	432	10.27	$2.319	42.06	"Overfilled - spilled a bit. Maybe .1 or .2 gallons? SOrry!"
2009-05-16	404.8	9.088	$2.399	44.54	"Apparently ironed out most bugs re. maintaining Lean Burn. Still goes out in damp conditions but oh well. Seems to get high mpg on the SG at those times so I think advance is increased and LB is disabled. If so, ""it's all good""."
2009-05-21	293.6	6.509	$2.499	45.11	"Shell gas. Half way through this tank I did a Seafoam treatment. Seems to have handled the ping. Now I only hear a sewing machine type noise, maybe valves."
2009-05-21	54.8	1.283	$2.599	42.71	"Filled in a.m. in E. Htfd. Drove home from work with Peter, lots of engine off coast. ScanGauge showed 55 mpg. However nearly no Lean Burn on that commute leg so the ~43 mpg I achieved makes sense vs. the 55 on the adjusted SG. Short tank too, so it would have read 46.3 mpg if pump handle had clicked off .1 gal. earlier."
2009-05-28	410	9.219		44.47	"SG adj. set at -10.6% after this fill"
2009-05-29	163.1	3.709	$2.599	43.97	""
2009-06-01	162.5	3.365	$2.879	48.29	"93 octane. Blended into tank would make about 88.5 or 89 octane. Jackie kept hearing knock so I promised I'd use 89 octane. Set SG adj. back to about -10.x % following this fillup. First trip back home was via Rte 9 on a hot day, hardly any LB on Rte 9. Soon as I got to 95 in O.S. it was able to LB again. Hills + heat I think = no LB."
2009-06-05	323.9	7.516		43.09	"This tank entirely driven with full grill block over upper grill. That went on part way through the previous tank (installed Memorial Day weekend)."
2009-06-08	369.6	8.096		45.65	"89 octane, ~40 miles after replacement of cat-back exhaust system."
2009-06-12	494.7	10.38		47.66	""
2009-06-16	280.9	6.919		40.6	"Filled immediately after Firestone/Bridgestone fuel injector and valve/upper cylinder cleaning. Done to dilute to proper concentration the injector cleaner that had been added to tank. Shell gas, paid cash. Cleaning process idled it for 30-40 minutes or so which hurt the overall FE."
2009-06-22	522.6	12.05		43.37	"Two mini fills of about a gallon each when tank was very low, followed by one real fillup, for a total of 12.05 gal. Minis were done to dilute the fuel injector cleaner remaining in the very low tank. So following the final fill of about 10 gal. there was essentially no cleaner left in the tank."
2009-06-25	406.2	9.006		45.1	""
2009-06-26	203.3	3.938		51.63	"Filled after getting ScanGauge back from repair. I want a fresh tank to judge SG performance."
2009-07-02	409.8	9.551		42.91	"Included some heavy a/c, running constantly to suit carpool buddy."
2009-07-02	137.5	3.197		43.01	"filled for a fresh start due to ScanGauge memory failure. It did it again about 30 miles into the new tank started here."
2009-07-06	359	8.37		42.89	""
2009-07-09	304.5	6.658		45.73	"Ign. timing was still in flux for this tank but close to final setting."
2009-07-10	137.5	3.197		43.01	""
2009-07-15	406.1	9.331		43.52	""
2009-07-17	256.4	5.396		47.52	""
2009-07-23	421.2	9.905		42.52	"This fill was at Mystic Shell, Rt. 72/I-95. Lots of rain with defrost, and a/c for Frank P."
2009-07-30	522.4	11.87		44.01	"E. Htfd. Main St. fills about .5 gal less than the Rt. 85 station. - - Entry is a fill plus 2 mini-fills. 8.382 + 3.252 + 0.240 = 11.874 gal. Tested the clickoff points of Rte 85 Wtfd station vs. Main Set. E Htfd. At Main E. Htfd it should have taken about .75-.85 gal. but took only 0.24. So Main St. is filling about .5 gal less than the Rt. 85 station."
2009-08-04	208.9	4.975	$2.799	41.99	"87 octane Shell, E. Htfd."
2009-08-06	146.5	3.642	$3.079	40.23	"93 octane Shell, E. Htfd. station. The 3.6 gal diluted into the rest of the tank hopefully gave a net mix of about 89 octane which is what I expect to feed it. 87 octane gave persistent ping/knock no matter what I did, till ultimately I retarded the timing till there was NO get-up-and-go. That happened in this fill, which also had a lot of heavy a/c usage."
2009-08-07	134.7	2.911	$2.939	46.27	"89 octane Shell, E. Htfd station. Two commute legs, an errand to Mystic, plus an extra highway run, warm, of about 30 miles. ScanGauge correction now at -10.9 pct."
2009-08-12	280.3	6.798		41.23	"Avg spd 37 mph. Some heavy a/c use in this tank."
2009-09-01	476.6	11.25		42.36	"The Civic had a couple weeks off while it was at Justin's getting the windshield replaced and rust cleaned out. Drove the blue Volvo in the meantime."
2009-09-09	375.3	8.515	$2.959	44.08	"avg 39.6 mph. During this tank, tamed the rebooting ScanGauge by installing horn relay and not using headlight high/low switch. Headlight relays were installed following this fill."
2009-09-15	376.8	8.659	$2.879	43.52	"First tank in a long time with no ScanGauge failure. Prior tank's avg MPH recorded by noting current data periodically before testing horn etc. to generate SG failure. So I had the time and distance to get mph data"
2009-09-18	343.4	7.546		45.51	"SG adjust at -9.8%. This was Friday before the NY Yom Kippur road trip."
2009-09-22	418.9	9.2	$2.839	45.53	"East Htfd, Tues. after the NY road trip wtih Jackie. I drove all. 41.6 av. MPH, SG changed to -10.9%."
2009-09-29	455	10.69	$2.739	42.56	"Avg MPH: 39."
2009-10-01	189.3	4.558	$2.699	41.53	"Avg MPH: 37. New left front axle installed about 70 mi. prior to fill."
2009-10-07	375.6	8.981	$2.639	41.82	"Some rain on at least two commute legs. Weather has been getting cooler too."
2009-10-12	412.6	9.678	$2.679	42.63	"41 avg. MPH included some rainy weather."
2009-10-16	348.5	8.351	$2.819	41.73	"46 avg. mph. Two trips in cold rainy weather. One of those it locked itself out of Lean Burn and since car pooling I needed good heat and defrost, never got into LB the whole trip. Mid way through tank I pumped up the tires; they'd lost at least 10 lb. since last checked. Now at 52 psi cold so that's good."
2009-10-21	360.2	8.393	$2.869	42.92	"Avg speed 39 mph."
2009-10-26	398.2	9.529		41.79	"avg. speed 40 mph"
2009-10-30	365	8.567	$2	42.61	"Avg speed 40 MPH"
2009-11-03	344.8	8.401	$2.939	41.04	"Avg speed 38 mph. One commute leg, no lean burn."
2009-11-09	334.6	7.946	$3.129	42.11	"avg mph: 42"
2009-11-11	113.7	2.568	$2.939	44.28	"avg mph: 49. I believe this fill was after I changed to Mobil 1 Synthetic 10-30 High Mileage oil."
2009-11-13	250.3	5.945	$2.939	42.1	"avg speed 43 mph"
2009-11-17	312.5	7.691	$2.939	40.63	"avg speed 37 mph"
2009-11-24	310.4	7.563		41.04	"37 avg mph. Was out sick Nov 18-19-20 (Wed-Thu-Fri). Then Thanksgiving break 11/25-11/29."
2009-12-02	338.7	8.41	$2.939	40.27	"Set ScanGauge adjustment at -4.4%. I've been incrementally reducing than setting from about -10% since the summer. Did not note the average mph of the tank."
2009-12-07	221.9	5.25		42.27	"Avg mph: 50. Set SG adjustment at -11.5%. High percentage of Lean Burn on this tank."
2009-12-11	250.5	6.224	$2.919	40.25	"Avg speed 46 mph. Another tank with high %age Lean Burn but I guess not as good as previous. Two commute legs REALLY cold, about 25-28 deg. outside."
2009-12-15	379.3	9.238	$2.919	41.06	"Avg. speed 42 MPH. Adjusted SG to -10.4 %. If weather warmer, nice mpg between 42-45. If cold - like 20ºF - 38 mpg is an achievement.mp"
2009-12-22	287.4	7.308	$2.899	39.33	"E. Htfd, 7:27 a.m.. Avg spd 45 mph. 20ºF temps and short trips and snowstorm. SG adj. set at -9%."
2009-12-24	339.2	8.812	$2.999	38.49	"Avg. speed 42 mph. Some very cold weather, teens and low 20's. Also some short errand runs in honor of the current holiday season. Rte 85 Shell after 6 hrs work + errand runs. Incl. 5 commute legs."
2010-01-07	341.1	9.479	$2.919	35.98	"Westerly Cumby Farms. Cold + snowy weather + some short trips. Avg. speed 34 mph."
2010-01-10	406.5	10.75		37.81	"guino gals estimate 10.82"
2010-01-11	348.7	8.405	$3.069	41.49	"Back to regular gas station. I think if you reduce the Cumby Farms fillup and add that amount to this one they would even out the chart. Regular station has a slightly sloped fillup area so there's some logic to this. Half a commute leg without lean burn. Was about 15 degrees in that area. Brrrrr. Otherwise apparently not so bad."
2010-01-14	319.8	8.379		38.17	"Shell Wtfd - Rte 85. 42 MPH avg speed"
2010-01-18	337.7	7.904		42.73	"45 MPH avg."
2010-01-21	351.4	8.3	$3.069	42.34	"45 mph average. Adjusted ScanGauge .1% towards using less gas."
2010-01-26	356.6	8.793	$3.039	40.55	"45 avg mph"
2010-01-28	365.2	9.361		39.01	"Fillup after driving ~20 mi. with CataClean treatment in tank. It was added with approx 3-4 gal in the tank, per instructions. This ~20 miles driving included higher rpms than usual."
2010-01-29	140.5	4.159		33.78	"I filled up only 140 mi. into the 2nd phase of the CataClean treatment - I should have run it till tank was low. Oh well."
2010-02-03	358.7	8.871		40.44	"41 avg. mph"
2010-02-06	324.9	8.881		36.58	"41 mph average."
2010-02-13	338.1	8.875		38.1	"avg speed 41 mph"
2010-02-18	344.3	7.956		43.28	"46 mph average"
2010-02-22	284.8	7.239		39.34	"42 mph avg speed"
2010-02-28	328.6	8.298		39.6	"Rte 85 Shell in Wtfd. Odometer zeroed late after this fill, on Gold Star Bridge. Figure 2.5 miles?"
2010-03-03	322.6	7.626		42.3	"avg speed 45 mph. 322.6 is 2.5 more than the odo reading because I zeroed it late."
2010-03-08	428.1	10.62		40.31	"87 octane. Two fills combined; the first was 2.007 gal. That was to start the 87 octane thing - dilute it down quickly so it would soon be all 87 octane. 43 mph avg speed"
2010-03-11	369.2	8.827		41.83	"45 mph avg speed 87 octane"
2010-03-16	380.2	9.679	$2.94	39.28	"87 octane. 44 mph avg speed."
2010-03-22	376	9.807		38.34	"39 mph avg. speed"
2010-03-22	376	9.807		38.34	""
2010-03-24	397.2	9.728		40.83	"45 mph avg. speed. Did 1/2 tuneup (cap + rotor) 65 miles before this fill, during lunch break."
2010-03-24	397.2	9.728		40.83	"avg spd 45mph Changed cap and rotor 65 mi. before this fill. Had been having rough idle issues."
2010-03-26	344.3	8.551		40.26	"Avg. speed unknown, loaned out ScanGauge for a short while during which I drove about 45 miles."
2010-03-26	343.2	8.551		40.14	"zeroed late after this, late by 1.1 miles: to be aded to next fillup."
2010-03-31	373.7	9.564		39.07	"avg spd 47 mph. Completed tuneup somewhere around this date but it did not help rough idle."
2010-04-05	320	7.87		40.66	""
2010-04-08	379.5	8.552		44.38	"avg spd 43 mph."
2010-04-12	382.6	9.778		39.13	"avg spd 42"
2010-04-13	58.2	1.189		48.95	"Phillips 66, E. Htfd., to calibrate MPGuino"
2010-04-14	154.2	3.569		43.21	"Phillips 66 E. Htfd, to calibrate MPGuino"
2010-04-15	119.3	2.737		43.59	"Short fill; previous fill at Phillips 66 in E. Htfd. This fillup after MPGuino fizzed out on me."
2010-04-20	450.7	10.94		41.2	"Two fills combined. 220 miles of this was on 10W-40 oil, previously using 5W-30. THICKER OIL HELPED THE ROUGH IDLE. OIL BURNING CAME BACK WITH HOTTER DRIVING WHEN WEATHER WARMED UP AGAIN. TRYING 20-50 CASTROL FOR TOPOFFS TO SEE HOW THAT GOES."
2010-04-23	395	8.961		44.08	"Avg spd 47 mph. Ran nice once I had 20 oz. of 20W-50 in the sump. However I plan to drain and refill with quality 10-30 Pennzoil High Mileage oil; the 20W50 is on standby for topoffs."
2010-04-27	376	8.647		43.48	"Avg speed 42 mph. Fillup after reinstalling MPGuino, to start 2nd calibration run."
2010-04-30	407.5	9.164		44.47	"Avg. speed 49.56 mph. Did a fuel qty calibration on the MPGuino following this fillup; the correction was 0.39% increase in microsec/gal. In other words, ever so slightly less fuel per pulse duration."
2010-05-02	144.6	3.544		40.8	"35 mph avg speed. Mystic Shell."
2010-05-04	384.5	8.557		44.93	"42 mph avg. speed. Mystic Shell."
2010-05-07	428.2	9.558		44.8	"Shell in E. Htfd off (??) School St. as I was using ""level"" stations, not E. Htfd Shell, in prep for the Green Grand Prix."
2010-05-08	329.3	7.83		42.06	"Valero in Glen Falls, at start of Green Grand Prix rally"
2010-05-08	79.22	1.481		53.49	"Valero in Glen Falls after the Green Grand Prix run. Not bad results! Wonderboy (Will) beat the tar outa me though, he got 72.x in a '98 EX coupe. 79.22 miles are from MPGuino gauge which was GPS-calibrated by that time."
2010-05-10	388	8.427		46.04	"Avg speed 50 mph, home with a tailwind from Watkins Glen, NY Green Grand Prix rally. 387.99 mi. from MPGuino."
2010-05-12	406.7	9.03		45.04	"Slow fill at end for accuracy: 2 sec/.1 gal. Mystic Shell, Whitehall St."
2010-05-17	499	11.33		44.04	"43 mph avg. 499 SG miles which had been calibrated to match Guino and GPS. Guino had been reset when working on case fabrication project. Slow fill at end; 2sec/.1 gal."
2010-05-18	116.5	2.765		42.13	"Avg spd 53 mph. Slow fill, Mystic Shell. One commute leg (of two) was in rain with a headwind."
2010-05-24	442.9	9.386		47.19	"Mystic Shell, pump #7"
2010-05-28	521.5	11.1		46.98	"Mystic Shell, pump #5. Not truly a 517 mile tank. The ""Low Fuel"" light came on at roughly 480 miles and I put in 2.001 gallons at the next available station. Then topped it up properly near home the next morning. However, since the tank holds 11.9 gal per spec, and it took a total of 11.1, I suppose I could have held out to 500 or 521 mi. but I didn't want to chance it. Guino had reset the ""tank"" log when I put in an adjustment to the distance calibration, so I didn't have a precise display of fuel used."
2010-06-01	151.2	3.54		42.71	"Memorial Day weekend driving: all short trip errand runs for bathroom renovation project. One trip with a/c. Mystic Shell ran out of gas while I was pumping so I completed the fill at Groton Shell by the carwash."
2010-06-04	405.5	8.341		48.62	"E. Htfd. Shell. 3 sec/gal fillup for accuracy."
2010-06-09	448.1	9.454		47.4	""
2010-06-14	431	9.534		45.21	""
2010-06-17	389.6	8.372		46.54	""
2010-06-22	439.1	9.483		46.3	"3 sec/.1 gal at end of fill."
2010-06-25	402.3	8.57	$2.899	46.94	"43 MPH avg frm SG. 3 sec/.1 gal at end of fillup."
2010-06-30	429.2	9.275	$2.899	46.27	"E Htfd. Shell, 3 sec/.1 gal rate for last gallon Avg spd 41 mph"
2010-07-06	468.6	10.57	$2.899	44.33	"Included 4-day July 4 weekend with lots of errand runs for shower project, some with heavy a/c. 38 mph avg. speed."
2010-07-09	413.2	9.15	$2.899	45.16	"Some very hot commutes w/ac. Some rushing too, when I was nearly late to pick up Karen G. Two vdery nice commutes at about 52 + 53 mpg, without ac. Avg. speed 41 mph."
2010-07-14	421.1	9.032	$2.859	46.62	"Jackie drove ~25 miles @27 mpg w/3 people in car and a/c. I had a couple commutes at 52-53 mpg but also a couple around 45 due to wind and rain. avg speed 41 mph."
2010-07-19	425.2	8.823	$2.859	48.19	"42 mph avg. speed"
2010-07-22	125.4	2.834		44.25	"avg spd 42 mph. Fillup after Riverside Motors changed timing belt."
2010-07-27	455.3	10.16		44.81	"40 mph avg. speed. Probably the ECU still ""finding itself""; the prev. fill was immediately after the t/belt change. Also rain and one very hot day with some a/c on this tank."
2010-07-30	368.3	7.822	$2.879	47.09	"avg. speed 44 mph. 61.62 mi. EOC, .06 gal idling (from MPGuino) EOC rules! Also looks like the ECU got things figured out again."
2010-08-03	440.2	10.11	$2.939	43.54	"Shell - Mystic, Whitehall St. avg spd 40 mph. Jackie drove about 40 miles, in a hurry to rescue daughter. And I had to drive conservatively on the way back (no EOC!) with 3 adults in car."
2010-08-06	427.1	9.225	$2.919	46.3	"E. Htfd Shell 46 mph avg spd 63.84 mi. EOC .06 gal idle"
2010-08-12	432.4	9.427		45.87	"43 mph avg speed"
2010-08-16	385.9	8.856		43.57	"EOC 71.46 mi. Idle .08 gal 43 mph avg speed"
2010-08-19	359.8	7.723	$2.859	46.59	"Reset timing 110 mi. before this fillup. Timing apparently had not been set after timing belt change by Riverside Motors. Was now able to shift at much lower engine speeds. Aug. 18 and 19 (19th home drive was after this fillup), went home Via I_384 E. and Rt. 85 South. Achieved 50 and 51 mpg on those trips, respectively. On Rt. 85, used very thorough P&G with EOC and low shift points, enabled by the timing now set properly (had been only 6-8 deg advance, not spec 12). Unfortunately the heavy P&G ran down the battery somewhat which I suspect is what caused the MPGuino to reset. At any rate, the EOC and Idle Gal. data was lost."
2010-08-23	326.2	7.105		45.91	""
2010-08-26	404.5	9.179		44.07	"avg spd 45 mph EOC 60.1 mi, idle .07 gal"
2010-08-27	131.5	2.755		47.73	"Guino froze, so filled up promptly after"
2010-09-01	434	9.531		45.54	"Approx 220 mi. driven on new tires"
2010-09-06	399.5	9.242		43.23	"EOC 55.94 mi, idle .15 gal Shell New London"
2010-09-09	380.4	8.936		42.57	"43 mph avg speed EOC 49.61, Idle gal .08 tire air was 46 psi E. Htfd. Shell"
2010-09-14	427.1	9.251		46.17	"46 mph avg spd Guino reset itself, no EOC/Idle info"
2010-09-17	404.2	8.741		46.24	"EOC 3.16 mi, idle .06 gal 47 mph avg spd"
2010-09-22	377.3	8.4		44.92	"DOC 43.28 mi, idle .05 gal avg spd 47 mph"
2010-09-27	393.7	9.505		41.42	"EOC 48.95 mi, Idle .09 gal avg spd 44 mph"
2010-09-30	376.6	8.819		42.7	"EOC 44.3 mi, idle .08 gal Avg spd 44 mph TUNEUP - replaced spark plugs, approx. 55 miles into this tank. Lots of wind and rain."
2010-10-08	405.2	9.285	$2.959	43.64	"EOC 46.35, idle .05, avg spd 48 mph"
2010-10-13	363.7	8.509		42.74	"42 avg mph, guino self-zeroed so no EOC/idle data"
2010-10-18	563.4	13.48		41.8	"Actually includes a couple mini-fills because I was nowhere near my regular gas station. EOC 101.14 mi, Idl. 0.13 gal Avg spd 42 mph"
2010-10-21	382	8.73	$2.999	43.76	"After this, I dealt with the loose hanging wires for Guino power/data leads and for the horn relay. No more Guino resets. This time, held them in place properly with cable ties. No more duct tape."
2010-10-26	389.2	9.119	$3.099	42.68	"New gas station in Manchester CT due to relocated there, at least temporarily."
2010-10-29	389.3	9.616		40.48	"EOC 61.53 mi, Idl gal .09 43 mph avg spd Guino gal est. 9.15"
2010-11-03	385.1	9.324		41.3	"EOC 73.45 mi, Idl .1 gal Guino gal est. 9.16"
2010-11-08	377.9	9.761		38.72	"Guino froze, lost accumulated data"
2010-11-10	381.2	9.41		40.51	"EOC 49.76, idl .09 gal 44 mph avg spd"
2010-11-15	353.2	8.952		39.45	"EOC 64.58, IDl. .08 gal 42 mh avg spd"
2010-11-17	371.7	8.569		43.38	"EOC 55.27 mi, Idl .07 gal Avg spd 45 mph Put about 8 oz 20W-50 oil in with the 5W-40 synthetic diesel Rotella. Because had rough idle and oil consumption. Idle improved and apparently also mpg."
2010-11-30	320.3	8.053	$3.159	39.77	"EOC 33.18 mi, idle 0.10 gal. Guino gals. 8.16 Car was burnig about 6-8 oz oil/100 miles, much more than usual. Oil was about 4K miles into the OCI so maybe it was shot. Too thinned out, that is."
2010-12-03	400.5	10.41	$3.229	38.47	"150 miles into the new oil change (5W-40 synthetic Rotella diesel-rated). Hoping the oil burning decreases. Idle is still kinda rough, not a good sign."
2010-12-08	396.1	10.02	$3.229	39.53	"55 mi. after fillup, I added air to tires; they were around 48-49 psi. EOC 48.56 mi; Idle 0.12 gal 46 mph avg speed"
2010-12-14	532.6	13.61	$3.229	39.13	"Combined 2 fills due to had to fill at odd-sloped pump. EOC 80.31 mi., idle .22 g. Avg spd 45 mph"
2010-12-18	355	9.627	$3.219	36.88	"EOC 43.95, idl. .15 g Avg spd 42 mph Whitehall St. Mystic Shell"
2010-12-22	369.6	9.411	$3.229	39.27	"Guino reset, likely due to lotsa EOC and the 8 ohm resistor in its power line. Avg spd 41 mph (from SG of course)"
2011-01-03	342.1	9.498		36.02	"Hopefully this is the the turnaround point. Was consuming lots of oil, I'd say about 6-8 oz per 100 miles vs. its usual 2-2.5 oz. Check engine light just about daily. AFTER this tank I did a piston soak with Marvel Mystery Oil, then ensured about 20% MMO in crankcase, and have been using 4 oz MMO per 10 gal fuel. (MMO in fuel not counted in the fillups, sorry!) Writing this after four days commuting with MMO, I'd say it looks better now."
2011-01-03	342.1	9.498		36.02	""
2011-01-05	308.3	7.811		39.47	"Gallons here include .0703 gal Marvel Mystery Oil. guino gals estimate 7.62 I adjusted the guino based on these numbers. NEW GUINO SETTING 028677097406 microsec/gal avg spd 47 mph eoc 25.77, idl .09 gal After this fillup, I replaced the spark plug wires. Had replaced the plugs about 2 weeks ago, cleaned them last weekend with the MMO piston soak, and last weekend replaced the cap and rotor. Seems better with the new wires but that's just my impression after 1 commute trip back home (55 miles)"
2011-01-13	285.2	8.08		35.3	""
2011-01-14	137.3	4.11		33.41	"guino gal est. 4.30 eoc 18.46, idl. .22 avg spd 32 mph having CELs, P0203 and P0302"
2011-01-17	129.8	3.992		32.52	"Guino gals estimate 4.03. Error = 0.952% EOC 12.96, idl. .4 gal Before this fill (on the 15th/16th) I adjusted the valves. Some were too loose, some too tight. Go figure. Due to MMO cleaning out crud?"
2011-01-19	370.4	10.03		36.93	"EOC 32.56 mi, Idl .11 gal guino gals estimate 9.90 avg spd 39 driving in snow still having CELs. Suspect bad compression or spark. changed over to 20-50 dino WalMart oil"
2011-01-24	287.4	8.656		33.2	""
2011-01-26	343.8	9.901		34.72	"Looks like this was the last fillup before sidelining the Civic for a valve job. Compression test reported 185 psi in 3 cylinders but 65 psi in #2. Justin examined with scope and reported burned valve. Head removal showed burned valve, machine shop ultimately replaced all 4 exhaust valves in the two center cylinders (#2+#3). As of Feb. 20, Justin and I are ready to reinstall the head but need a day with decent weather. This weekend was around freezing with winds at 20-30 mph. We called it quits after he cleaned off the block and intake manifold gasket surfaces."
2011-03-02	411	8.895	$3.699	46.21	"First tank after having the cylinder head rebuilt. Includes one drive in rain, and some significant headwinds also."
2011-03-08	372	8.158	$3.749	45.6	"Guino reported gallons: 8.16. I think I have it calibrated pretty well by now! 50.44 mi. EOC, .16 idle gallons A variety of weather, including headwinds and tailwinds and some rain."
2011-03-11	413.3	9.414	$3.749	43.9	"Guino gallons estimate: 9.35 Avg spd 50 mph EOC 39.61, idle 0.04 Tank included a CEL for the EGR valve, which I cleaned soon after."
2011-03-15	370.4	8.007	$3.749	46.26	"Guino gallons estimate: 7.88 Avg spd 47 mph EOC 35.06, idl 0.06 did some runs at moderate speed between 55-60, but did some faster. Had another EGR CEL and cleaned it again. May have had a run at 50-55 on this tank, as I'm starting to get Lean Burn at lower speeds now. At first it's good for 10-15 miles, then after reboot it's good for progressively less but still well worthwhile to reboot, I believe."
2011-03-21	425.5	8.509	$3.749	50.01	"This tank with front section belly pan, and last trip with two sections belly pan. EOC 48.35 mi., idle 0.11 gal Avg speed 43 mph. The belly pan seems to really help. Also, I've learned I can get lean burn below the old 61 mph cutoff. I do need to reboot the ECU occasionally (kill the engine + restart whenever) to keep lean burn available but I can now get best mpg between about 50-55 mph, and that's better than what I got previously between 61-65."
2011-03-22	226.9	4.326		52.45	"MPGuino reset itself so I lost that set of tank data. Miles from odometer, confirmed by ScanGauge. Avg speed 42 mph"
2011-03-25	401.1	7.814	$3.799	51.33	"43 mph average Included some driving at 65 mph (+/- 5). As opposed to 53-60 for most of the tank"
2011-03-31	493.9	9.965		49.56	"Guino reset multiple times so no overall data. But I think I got it fixed for real this morning. Had some faster runs (60-65 mph) and car pooling, thus the somewhat reduced mpg."
2011-04-05	390.4	7.563	$3.899	51.62	"Mostly had 2 sections of belly pan in. Last leg, had all three sections installed. Front section might need lifting though, looks like maybe sagging. What a drag."
2011-04-12	591.1	11.97		49.38	"No, I didn't run the tank dry. Several mini-fills went into this ""tank"". Due to deciding to run a CataClean treatment which required running the tank down to about 2 gal, then adding fuel to bring it to about 3, add the treatment, drive, add more fuel to dilute it, then top off about 75 miles later. Regained low speed lean burn capability for a time, after running some Marvel Mystery oil thru the crankcase (aka it burns off when driving). Lost it again about a week ago, early in this tank run, at about 2K miles into this oil change cycle. It came back during the concentrate run part of the CataClean treatment but went away again as soon as I diluted it. Remedies already tried and failed: MMO seemed to help but when not in crankcase, no go. Removed belly pan by muffler (exh scavenging theory) Added full grill block at cat, also removed it all. Next: - - Seafoam and an oil change - - High octane fuel, octane booster also to be on hand."
2011-04-14	481.7	10.28		46.86	"Hopewell Jct, NY. On the way to GGP. Guino gals est.: 10.13 Avg speed 48mph, headwind maybe 156-20 mph 93 octane from pump."
2011-04-14	213.2	4.686		45.5	"Topoff in Horseheads NY before GGP. 93 octane from pump."
2011-04-15	216.8	4.393		49.35	"After GGP, includes that run (57.21 mpg at GGP!) Added small bottle of STP octane booster on this fill. Fill qty includes the octane booster. 93 octane from pump"
2011-04-18	397.5	8.341		47.66	"89 octane, no STP octane booster added. EOC 26.72 mi. Idle, 0.02 gal Avg spd, 49 mph"
2011-04-23	478.7	10.25	$4.129	46.7	"87 octane at Mystic Shell. Pump #5 Avg Speed 42 mph EOC 91.16 mi.; Idle 0.08 gal. Guino gal. 10.04 ZEROED GUINO LATE. ADD 4.40 MI TO READOUT AT NEXT FILL. SCANGAUGE WAS ZEROED PROPERLY AT THIS FILL. Unexplained slight drop in mpg. Also noted it usually needs to crank a few times before catching. Changed plugs shortly after THIS fill. Always using NGK oem spec plugs. Found plugs brown, with some black carbon buildup. Plugs were new from valve job, so that's 5404 miles on the plugs. It's been burning oil again but my hope is that the carbon fouling is from the cataclean treatment plus high octane plus whatever - NOT from oil in cylinders ! !"
2011-04-25	72.37	1.49		48.57	"Rt 184 Shell. Guino had reset itself."
2011-04-27	415.6	8.687		47.84	""
2011-05-02	411.6	8.523		48.29	"Avg spd 42 mph EOC 65.25 mi, Idle 0.11 gal"
2011-05-05	410.4	8.866		46.29	"Also includes 16.75 oz CataClean which is not included in the fuel qty."
2011-05-10	429.3	8.887	$4.299	48.31	"Changed oil 160 miles before the fillup. Guino reset so lost the EOC/IDLE data. Miles derived from trip odo * 1.007 correction, recently calibrated by GPS. Avg speed 48 mph, from ScanGauge. AFTER this fill, began using 15W-40 oil to top off what disappears. Noted that the underside of tranny is oily; I suspect a rear main seal leak."
2011-05-13	407.6	8.552		47.66	"avg spd 47 mph"
2011-05-18	469.8	10.15		46.29	"avg spd 40 mph EOC 93.12, idle 0.12 mi."
2011-05-23	456.8	9.902	$4.259	46.13	"avg spd 43 mph EOC 76.89, Idle 0.09 mi. Basically, a week of rain with north and northeast winds."
2011-05-26	395	7.845		50.35	"Guino gal. 8.16 was .3 gal > actual pump amount. If next fill is < Guino estimate, adjust the entries. Weather much better than the previous two rainy weeks. EOC 69.59, Idle 0.04 gal. Still need to replace the belly pan under muffler area. Then hopefully wheel skirts and rear spoiler."
2011-05-31	353.6	7.787	$4.159	45.41	"Guino estimate 7.80 gal. EOC 55.09, Idle 0.06 mi. Avg speed 45 mph One brutally hot run to Ikea + salvage yard needed a/c and speeds around 65."
2011-06-03	470.7	10.06	$4.159	46.79	"guino gal 10.01 EOC 84.75, Idle 0.07 g. 43 mph average E. Htfd. Shell Guino gal. 10.01"
2011-06-08	405.5	8.828	$3.999	45.93	"Rte. 85 Shell, Waterford MPGuino estimated gal. 8.64. This is a ""new"" gas station. The E. Htfd Shell that I usually use tends to fill tank to a lower level than other stations. Parking pad there is not really level. EOC 82.66, idl. 0.09"
2011-06-13	390	8.224	$3.999	47.42	"42 mph avg spd. Lost Guino data, miles derived from SG and trip odo Rte 85 Shell station."
2011-06-17	524.8	11.32	$3.999	46.36	"Extended thank by adding 2.001 gal, then doing a full fill the next day. So I could fill at the same station/pump (Rte 85 Shell). EOC 116.4, idle 0.09 mi Avg spd 40 mph Was due for an oil change which happened after this fillup. Had a couple bad runs, one was rain with a 5 mile uphill creep due to traffic, likely an accident that was cleared before I got to the location."
2011-06-22	476.7	9.826		48.51	"EOC 86.28 mi., Idle 0.10 gal. Avg spd 40 mph E. Htfd. Shell station This fillup was Wed., I did an oil change the previous Sunday. Oil change included about .5 qt of Barrs OIL SYSTEM stop leak, to treat the rear main seal leak. Oil slime on tranny seems to have disappeared a couple days after the oil change. The stuff looks like a gel, pretty thick but still flows quickly?? They say it's specifically formulated to repair rear main seals and helps the other seals too."
2011-06-28	508.5	10.93	$3.959	46.52	"EOC 89.5 mi; Idle 0.10 gal. EOC = .176 of the tank miles. Avg spd 42 mph Guino gal. 10.96. Delta is 0.03/10.93 = 0.002745 of actual. 1/4 of a %. Reinstalled the belly pan below r.r. suspension arm and muffler/exhaust area. Used a couple aluminum bar stock framing pieces so should be a good installation. This was ~170 miles before ending the tank. Tank also was run with the Barr's rear main seal leak stop treatment in place. 800 miles on the oil now, down half an inch on the stick, about 8 oz. Definitely an improvement."
2011-07-05	483.9	10.25	$3.939	47.21	"EOC 108.51 mi., idle 0.10 gal. Avg. speed 40 mph Guino gal. est. 10.23 gal. Included July 4 weekend with plenty short local trips."
2011-07-08	404.5	8.092	$3.999	49.99	"EOC 66.77 mi. Idle 0.04 gal. 47 mph avg. speed. guino gal. est. 8.24 During this tank, stiffened the front belly pan with 1/8"" steel rods in the coroplast slots. Definitely seems to have helped. I believe it coasts better and even seems to do low speed lean burn for a longer time period, sometimes 10 miles or more."
2011-07-13	447.1	9.276	$3.999	48.2	"Guino est. gal. 9.40 EOC: 98.28 mi., Idle: 0.11 gal. Avg spd 40 Been using local roads on days with unfriendly winds, as far as the Rte 2A bridge. This works well. Many commute runs between 50-51.5 mpg. Some local trips dragged down the average for tank."
2011-07-19	436.1	9.132	$4.079	47.76	"Guino est. gal. 9.10 EOC 86.71 mi., idle 0.07 gal. Avg spd 45 mph"
2011-07-22	429.8	9.352	$4.079	45.96	"43 mph avg. EOC 65.02, idle 0.08 gal. Avg spd 43 mph. Heat wave. Some heavy a/c."
2011-07-27	381.4	8.336	$4.079	45.75	"One leg only 41 mpg, needed heavy a/c - heat wave. Guino gal. est. 8.25 EOC 69.70 mi., idle 0.08 gal. 40 mph avg."
2011-08-01	396.2	8.041	$4.079	49.27	"Guino froze up so no EOC/Idle data. Miles from odo x 1.007 for a guino equivalent miles. Avg speed 43 mph, from Scangauge. NEXT TANK - add .5 gal due to I zeroed this one late."
2011-08-05	520.1	10.75	$4.079	48.38	"Guino estimate 10.61 EOC 94.51 mi, Idle 0.05 gal Avg spd 45 mph This tank on fresh oil change with bottle (16 oz) of Barr's ENGINE stop leak, not the thick Barr's rear main seal stop leak I had in for the prior 3000+ miles. Also usually used back roads to the 2A bridge in a.m.'s, and some drafting at reasonable distances. 0.5 mi. added per note on prev. fill."
2011-08-10	392	8.188	$3.999	47.87	"Guino gal estimate 8.15 EOC 80.90 mil, Idle 0.06 gal. Avg spd 43 mph 5 commute legs with new flat wheel covers installed. After fillup discovered tire pressure was 7 psi lower than my preferred 55 psi (cold). Added 7 psi all around."
2011-08-15	403.5	8.03		50.25	"avg spd 48 EOC 73.63, Idle 0.05 new flat wheel covers, lotsa highway P&G"
2011-08-22	518.1	10.47		49.48	"MPGuino gals estimate 10.45 EOC 115.93 mi. (22.3%!!), Idle gal .09 gal (nice also)"
2011-08-26	452	8.9678	$3.929	50.4	"Fill includes ~12 oz. Seafoam added to tank immediately before fill. Guino gallons, 9.00 Avg spd, 47 mph EOC: 87.23, Idle 0.05 EOC %: 19.3% Decided to try Seafoam in the tank to see if it will clean up whatever is going on with EGR (replaced in spring) or with cat converter, that keeps kicking out LeanBurn below around 61 mph. Bottle directions say 1 oz/gal but also says 16 oz bottle treats a 9-24 gal tank."
2011-09-01	456.1	9.075		50.26	"Avg spd 46 mph EOC 96.32 mi (21.1%) Idle 0.04 gal Still doing more EOC, especially the highway EOC boosts my overall mpg due to my many highway miles, nearly 100 mi. per day. These numbers include the approx 1 oz per gallon of SeaFoam added to the gas. I believe it's cleaning the injectors with resulting more fuel per duration injector is open. Thus the actual isn't quite as good as the under-measured MPGuino estimates. But EXCELLENT results regardless. Will recalibrate the Guino after done running several tankfuls of SeaFoam-treated fuel, and flushing it out with a couple fills after that."
2011-09-08	474.6	10.215	$4.219	46.46	"This tank was run after Hurricane Irene. One trip with 10-12 mph headwind. All other commute legs had rain. Filled with high test, 93 octane, due to plans to compete at TriState in Williamstown MA. Unfortunately I won't be able to make it due to commitments at home. This tank's results are on 87 octane, the 93 octane results will be in the next tank. MPGuino estimate: 10.31 gal. EOC 115.2; 24.3% EOC! Idle 0.13 gal. Avg speed 38 mph"
2011-09-13	458.2	8.849	$4.219	51.78	"High test again. MPGuino estimate: 8.95 gal. EOC: 118.21 miles = 25.8%, Idle: 0.08 gal. Avg spd 40 mph. Engine definitely seems to run better on the higher octane. With that and the newish wheel covers, I'm doing more and more coasting, with engine off in slow traffic and on when at high speeds to preserve lean burn capability (killing engine = 2 miles wait till it will LB again). About 1000 miles ago, changed to 10W 30 oil from the ""old"" 15-40. The mpg improvements were before and after that change, when I did the wheel covers and when changed to 93 octane. I might test 89 to see if it runs nearly as well."
2011-09-16	382.1	7.56	$4.219	50.54	"High test again, the car likes it. Guino est. gallons: 7.60 EOC: 77.51 miles=20.3% Idle: 0.05 gal. Avg spd: 45 mph"
2011-09-19	196.3	3.959		49.58	"Guino reset itself so no tank data, aside from: 34 MPH avg (Scangauge=source, as always) Not sure why Guino reset itself, but maybe due to lots of EOC, maybe battery just went too low. Tank included about 70 mi. of short local weekend trips, incl to Salem Four Corners and back. Squeak in front end examined by Monroe Muffler in New London; they said front ball joints + suggested I spray in some lube. I squeezed in bearing grease with flat screwdriver blade. Seems better now - knock on wood."
2011-09-23	437.8	8.557		51.16	"Premium again. EOC: 83.23 mi = 19%, Idle: 0/05 gal Guino gal estimate: 8.68 Avg Spd 47 mph"
2011-09-28	405.7	8.106	$3.999	50.05	"Hi test again. Guino est. gallons: 7.97 EOC: 128.4 (31.6%!), Idle gallons 0.06 Avg spd 40 mph Tank included 2 or three trips home via Rte. 94 & 85; 2-lane state roads with 45-50 mph speed limits. Lots of EOC on these runs with overall 53-55 mpg. Trips up were via interstate, but mostly a short trip on 2-lane 184 for the 1st 6-7 miles, which is very helpful. 52-54 mpg net, till I get on the highway after that run."
2011-10-04	458.2	9.576	$4.039	47.85	"EOC 141.86 mi. = 31% 36 mph avg speed. Guino gal 9.26 (however changed filling station) Filled in Mystic at Shell. Temporarily off work, not commuting."
2011-10-11	432	9.575	$4.039	45.12	"These are short runs for errands and testing the rear spoiler project. Thus ~45 mpg and not 50. :-( EOC: 100.19 = 23%, Idle 0.13 gal. Avg spd 37 mph Guino gallons 9.51 (seems to be reading low these days)"
2011-10-29	276.9	6.397	$4.039	43.29	"Guino estimated gallons, 6.22 Actual: 6.397 More errand runs, and some rotten weather - wet SNOW in October!"
2011-11-13	460.17	9.765	$3.979	47.12	"Includes 2 days of commuting, about 120 miles worth. The rest is all local errand runs. Guino reset itself 3 miles before the fillup so that data is lost. Miles here are deduced from the trip odometer. One day's commute was done with the rear spoiler project. Two side panels and two center panels, including one going from the roof extending over the rear glass. Very small fill on 11/14 has been split 50-50 between this 11/13 fill and the 11/17 fill. Was the first fill back at E. Htfd. Shell after the hiatus. Small fill was 106.74 mi, 1.704 gal. orig. dist 406.8 + added 53.37=460.17 orig. fuel 8.913 + added 0.852=9.765"
2011-11-17	426.63	8.624		49.47	"Fill includes the other half of the mini-fill as noted in the 11/13 fill notes. This fill by itself: miles: 373.26, gal. 7.772 The rear spoiler was on. 4 panels, 2 flat aluminum reinforcing bars. Need to be replaced with angle or C-channel stock. Had some odd weather too."
2011-11-22	377.65	8.249	$3.639	45.78	"back to 87 octane guino gal. 8.23 EOC 53.48 Driving in the dark means less EOC due to lights running down the battery. I need an optima in the trunk for the exterior lights! Had some crummy weather too. Still have the 4-panel rear spoiler installed but not sure if its helping. Havent had a chance to do coast down tests on this version yet."
2011-11-29	366.32	8.057	$3.599	45.47	"EOC 38.03 mi. (10.04%); Idle 0.07 gal Avg spd. 48 mph Guino gal. 7.98 Running regular gas again. Still running the 4-panel rear spoiler but have had no opportunity for proper testing. Feels good in light wind or tailwind. However I think the side fins are catching crosswinds in a poor way, maybe not doing so well in crosswinds. I hope to add a clear plastic panel that's a proper Kamm back. Then test in stages, taking of a bit at a time. One configuration to test would be the 4-panel design with the side fins cut away. A full Kamm is probably the best though."
2011-12-05	593.4	13.064	$3.559	45.42	"EOC 77.26 miles Guino gallons estimate: 12.98 Whoops - no average speed noted. A fair bit of rain during this ""tank"". Includes two mini fuelings to get through the weekend and then a proper fill at the usual E. Hartford Shell station. Includes 115 miles of testing of the rear spoiler, at about 41.5 mpg for the testing process. Lots of on and off the interstate."
2011-12-09	518.35	11.22	$3.559	46.2	"REAR SPOILER PROJECT REMOVED MPGuino reset itself, as did the car stereo memory. Not sure what's up with that. So no MPGuino gallons estimate. Includes a pre-fill of about 2 gal. to get me up to my usual station. Avg spd 46 mph. No rear spoiler - took it off before this tank started as part of the coastdown test procedure."
2011-12-14	464.07	10.54	$3.599	44.03	"This was a 2.000 gal. pre-fill plus an 8.540 gal fill at my usual station in E. Htfd. Guino estimate 10.44 gal. EOC 63.73 mi., Idle 0.12 gal"
2011-12-16	236.8	5.342	$3.559	44.33	"MPGuino zeroed itself out, so I filled early to start tracking with full data tracking again. Before this fill, I discovered the battery's neg. terminal clamp was loose. Cleaned it, tightened it, and found system now running at 14.0V and 14.1V, up from about 13.6 typically before that."
2011-12-21	393.74	8.752	$3.499	44.99	"No more 'Guino resets. That's nice! Guino gals. estimate: 8.71 EOC: 43.21 48 mph avg. speed"
2012-01-04	457.94	10.5	$3.599	43.61	"10ºF out this morning and the 'Guino reset itself. Maybe due to lots of EOC at the end of prior night's commute. So tonight I idled it on the final major coasts."
2012-01-09	400.1	8.718	$3.699	45.89	"EOC 42.14, idle 0.05 Guino gals est. not noted - lost (!!!) 49 mph avg spd"
2012-01-12	459.9	9.697	$3.699	47.43	"Guino gals est. 9.67 EOC 67.93 mi.; Idle 0.05 gal Had some better weather. Mostly dry, and not bitter cold. AND something started allowing more extended-length low speed Lean Burn (5th gear, below 61 mph). I think it started late in this tank. Now driving the next tank and I'm getting in lots of low speed lean burn. Helps a lot. [EDIT] I put the snow tires on the evening of Jan. 11. Jan 31, tested MPGuino distance vs. GPS. 102.2 mi. GPS vs. 101.81 on the Guino [/EDIT]"
2012-01-17	356.03	7.543	$3.699	47.2	"Guino estimated gallons: 7.52 EOC: 43.12 mi. / Idle 0.06 gal. EOC: 12.1% of distance Avg spd 48 mph To enable longer EOC coasts - I'm currently running a 2nd battery in parallel with the main one. Both are basic ""starter"" type batteries. Am contemplating an Odyssey AGM model PC1500DT, about 65AH depending on discharge rate. Big sucker. Might be able to run the whole car without the alt, with overnight recharges. Car now seems to have extended low speed lean burn capability, generally it lasts till I kill the engine for a long coast close to my work destination. What a treat. I think some EGR piping must have gotten cleaned out, or maybe some rings got unstuck. Hope it lasts - knock on wood."
2012-01-24	361.97	7.352	$3.699	49.23	"EOC 46.84 mi. = 12.9%, Idle 0.06 gal. Guino est. gal. 7.38 (didn't pay attention to squeeze pressure and may have filled more than usual?) [Edited this entry 1/27, -0.1 gal, and increased the subsequent fill +0.1 gal to get it closer to the actual fill amount] Excellent for winter conditions. Car is offering low speed lean burn most of the time. Still have the 2nd battery hooked up in parallel. Some commute runs are now over 50 and even over 51 mpg on the Guino. I can't believe it."
2012-01-27	410.52	8.192	$3.699	50.11	"Adjusted this tank and the prior one: recorded -.1 gal for this tank and +.1 gal for the prior. Due to didn't manage the squeeze properly last time and filled more than usual. This tank includes 4 oz Marvel Mystery Oil (MMO) in the fuel, counted in the fill amount. Whew. Had low speed lean burn for most of the tank, then it ""went away"" again. Bright idea! - I'd filled without any MMO, after a nice LB tank after adding 2 oz to the tank. So I dropped 2 oz into the ~5 gal left in the tank (plus later 2 oz at this fill), voila, low speed Lean Burn returned. I think I'm onto something. Dunno why it's working, but as MMO is mainly a cleaner, my guess is that it's cleaning out some gunk either from rings or from the EGR passages system, which come into play when it attempts lean burn."
2012-01-31	481.15	9.558	$3.859	50.34	"Long runs in Lean Burn now, below 61 mph. Very nice. 2 oz Marvel Mystery Oil per 10 gal. in these fillups, included in the fuel qty amounts shown. Guino gals estimate 9.57 EOC 29.89 = 6.2%, due to 260 mile trip to NYC area with very little EOC. Idle 0.05 gal. This could have been a 500 mile tank but I have ONE preferred gas station so I wouldn't have gotten back to it the next day and it wouldn't go another 80+ miles on that tank. Maybe next time!"
2012-02-06	513.54	10.249	$3.859	50.11	"Fill data includes 4 oz MMO Guino est. gal.: 10.25 Avg. Spd 44 mph EOC: 52.13 mi; Idle 0.16 gal. Idle qty increased due to idling for alt delete testing. 500 mile tank!!"
2012-02-09	439.26	8.459		51.93	"includes 4 oz MMO. Guino estimate: 8.37 gal EOC: 48.3 mi, Idle 0.03 gal. Avg spd 47 mph"
2012-02-15	512.06	10.085		50.77	"MPGuino reset itself mid-tank so don't have EOC miles and idle gallons, or the MPGuino fuel qty estimate. Avg spd 45 mph, from ScanGauge. Fill includes 4 oz Marvel Mystery Oil. Slow speed lean burn working nicely, only occasional reset is needed."
2012-02-21	503.9	10.034	$3.899	50.22	"SG reset itself. Was on brightness 2; I think it got too hot. I should cut more vent holes in the back. Avg spd 45 mph, from ScanGauge. This fill includes 3 oz. Marvel Mystery Oil, already added into the fuel qty as always. This is at lease the 2nd time I've noted reduced low speed lean burn capability towards the end of a tank. I'm strongly inclined to fill when it needs ~5 gal to avoid that last commute run where it won't go into lean burn below 61 mph. That pulls the mpg right down, for that trip."
2012-02-24	335.54	6.581	$4.099	50.99	"A different gas station this time due to rain and no canopy at my regular one. Includes 1 oz Marvel Mystery Oil. Guino estimate: 6.51 gal. EOC 37.10 mi, idle 0.03 gal. Avg spd 47 mph This short tank had trips under 48 mpg and two that were over 54 mpg. Weather can really have an effect. Gas prices have been going up for several weeks now. People I meet at work are interested in my fuel economy efforts."
2012-02-29	455.17	9.482		48	"""Only"" 48 mpg. Shell in Glastonbury, 2:40 p.m. Had some crummy weather. Also got stuck in a highway accident backup at night in the rain; even with two lead-acid batteries in parallel (not deep cycle though), I had to idle the engine to keep the voltage up while stalled in traffic."
2012-03-06	475	9.649	$4.049	49.23	"Filled at Whitehall St., Mystic. 8:45 a.m. EPES installed 1 day before this tank started!! Alt. is now unplugged."
2012-03-10	350.48	6.355	$4.099	55.15	"Guino gals estimate: 6.50 EOC: 29.37 gal, idle 0.03 mi. Avg. Spd 49 mph All driven with EPES; lithium battery pack. Some night driving where the pack dropped below 12V."
2012-03-12	82.84	1.503	$3.999	55.12	"Guino info lost All with EPES."
2012-03-15	341.81	6.207	$4.059	55.07	"Guino gals estimate 6.31 EOC 34.26 mi; Idle 0.03 gal. Avg. spd 48 mph."
2012-03-20	419.486	7.788	$4.059	53.86	"Guino est. Gal. 8.33 EOC 51.77, Idle 0.13 Avg Spd 43 mph Car was at shop for break work; they idled it .08 gal. Very little low-voltage running because the full complement of switches and cables was in place for this tank."
2012-03-22	244.369	4.735	$4.059	51.61	"incl. 6 oz MMO Guino est. 4.73 gal. EOC 40.48, Idle 0.02 Avg. spd 46 mph"
2012-03-28	514.9	10.428	$4.159	49.38	"Incl. 2 oz. MMO MPGuino reset; lost it's data (Added ventilation holes to case prior to this fill) 45 mph avg. spd, ScanGauge Changed off snow tires, put Kumho's back on just before this fill. Been having trouble maintaining low speed lean burn. Might be due to warmer weather; too much heat in engine bay? Engine staying at 182ºF or lower; it's not overheating. Just maybe too hot for the cat to keep the computer happy. Or maybe bad gas from E. Htfd Shell??"
2012-04-02	396.7	7.9896	$4.159	49.65	"On ""summer"" tires, Kumhos. I think they have higher rolling resistance than the LRR Michelin summer tires! Recalibrated MPGuino for fuel; MPGuino estimate now 7.99 gal. EOC 56.51, idle 0.09 (largely due to idling to set the ign. advance) 45 mph average speed. Includes 2 oz MMO, figured in the Fuel total."
2012-04-09	522.24	9.993	$4.259	52.26	"Changed back to Michelin LRR snows early in this tank. Much better now. MPGuino gallons est. 10.05 77 miles EOC. 46 mph avg. fill qty includes 3.5 oz MMO."
2012-04-13	399.12	7.616	$4.199	52.41	"EOC 58.87 mi, idle 0.09 gal MPGuino fuel estimate 7.58 gal avg spd 46 mph The prior fill used, and the subsequent ones will use, the calibrated dispenser for Marvel Mystery Oil, so MMO quantities will be quite accurate. I bought a calibrated sliding-column dispenser in a kitchen store before the Apr. 9 fillup. Once during this tank I added 1 oz MMO using only the markings on side of bottle; couldn't find the dispenser at that point. So could have an error of 1/2 ounce or so. No matter, that would be 1/20 of one percent, plus or minus."
2012-04-15	90.86	1.961	$4.269	46.33	"Mystic Shell -Whitehall St. Guino reset itself so no data there. Avg spd 39mph"
2012-04-19	406.71	7.645		53.2	"Guino reset. 48 mph avg spd. This was a ""fast fill""; I didn't pay attention to slow filling at the end. Installed Kamm back / rear spoiler prior to leaving Mystic for the GGP. This is still on the car as of June 2, 2012."
2012-04-20	394.58	7.911	$4.099	49.88	"Valero at GGP, Friday a.m. Used alt + starter battery for ~1/2 of the trip up to GGP. Due to capacity not enough for the whole trip."
2012-04-21	194.9	3.645		53.47	"Sat a.m. before GGP 2nd day run. Incl. .75 oz. MMO DISTANCE ESTIMATED FROM TRAVEL LOCATIONS AND TRACK LAPS DATA. WILL REVIEW THIS DATA SOON. VERY FAST FILL (thus short) Filled by volunteer, full squeeze on fast pump handle, end at first click. Includes my .75 oz MMO added."
2012-04-22	321.47	7.057		45.55	"Includes 1.75 oz. MMO EOC 35.6 mi., Avg speed 40 mph 9:35 a.m. Sunday, after Saturday's GGP 2nd run. That Saturday run was in rain, Guino showed 44.11 mpg for that event as I recall. About 125 miles? Fill was in PA; the trip down from GGP was much better, probably ~low 50's mpg's."
2012-04-25	442.84	8.224		53.85	"Incl. 2.25 oz MMO Trip back from GGP (Watkins Glen) plus two commute legs. Guino estimate 8.56 gal. EOC 39.9 mi;, Idle 0.02 gal. Avg spd 52 mph With Michelin LLR snows, EPES, roof extension. Extension center post still a bit high; I lowered it more after this fill."
2012-04-30	346.51	6.576		52.69	"Incl. 1.65 oz MMO Guino estimate 6.63 EOC 40.92 mi; idle 0.02 gal. Avg Spd 51 mph (faster than usual)"
2012-05-03	484.53	8.861	$4.229	54.68	"Guino est. gal. 9.05 EOC 67.93 mi. Idle 0.05 gal. Avg spd 47 mph Been driving faster, at least sometimes, because I think I can get away with it with the roof extension (!!). It definitely seems peppier with the EPES and the roof extension combined. I'm seriously tempted to do a p/s delete to free up more engine power. I wonder if they released the ""summer"" fuel blend just recently, helping increase my numbers."
2012-05-09	418.12	7.767	$4.179	53.83	"About 100 mi. into tank, changed over to summer Kumho tires. Put flat wheel covers on after 1-2 commute legs without. Now driving faster, highway P&G between about 55-75 mph. Often only down to about 60ish. Avg spd not so high due to some local trips. MPGuino gals. est. 7.93 EOC 80.48, idle 0.07 mi Avg spd 43 mph Includes MMO 1.8 oz. After this tank, adjusted the MPGuino about 2.5% to correct it's been reading higher gallons than actual, and that's WITH the MMO qty figured in. Adjusted per Guino manual. Been filling at Mystic Shell which has a pretty level/flat pad for car, and always in same position at same pump."
2012-05-14	412.93	7.847	$4.139	52.62	"Mystic Shell. Guino gals estimate 7.85 Looks like I have it calibrated nicely. EOC 68.27 mi, Idle 0.06 gal. avg spd 46 mph However still drove quicker than in the past on my commute runs."
2012-05-20	609	11.498	$4.079	52.97	"MPGuino reset so no data there. avg spd 47 mph Mystic Shell pump #5 Partial topup at 478 miles, 8.03 gal., with no MMO. No reduction in lean burn behavior after that. Full pump total was 12.009, .511 gal was for lawn mower, 11.498 was for car."
2012-05-24	467.94	8.482	$4.079	55.17	"Avg spd. 47 mph EOC 64.23 mi., Idle 0.04 gal. Tank was without Marvel Mystery Oil (MMO). This fill had .6 oz MMO = .5 oz/10 gal of tank fuel. 4 months = approx 10 K miles driving (plus the GGP = 11k miles total I guess), with MMO at about 2.5 oz per 10 gal fuel on average. That ended at the last fillup. I did one or 1.5 tanks with no MMO, and good low speed Lean Burn. Today I restarted MMO use, but at reduced .5 oz/10 gal fuel. Just as a maintenance dose. Yesterday, replaced the (torn!!) o-ring seal on the cam shaft at distributor. Let's see now much oil it loses now. Top of tranny case is a slimy gross mess from all that time leaking."
2012-05-31	526.67	9.902	$4.079	53.19	"MPGuino gals estimate: 9.86 EOC 80.45 mi, Idle 0.06 gal 47 mph avg spd Includes 2 oz MMO = 2 oz per 10 gal. ratio Tank included one commute leg using alternator due to rain; needed to run wipers, headlights and fan. This causes somewhat lower operating voltage (around 12V vs. around 12.5V). Lower voltage = lower fuel pump pressure thus less fuel injected per pulse. MPGuino is unaware of fuel pressure, only pulse duration. This should make the MPGuino overestimate fuel consumption somewhat. However this tank undereatimated by a very small percentage; likely just a small fill level variation."
2012-06-06	501.41	10.045		49.92	"Guino gallons est. 9.77 Fill qty incl. 1.5 oz MMO. EOC 81.55 mi. Idle 0.07 gal. 44 mph avg speed (looks like I slowed down a bit!). I think I over-adjusted the Guino gallons calculator setting. Will correct that when I get a chance."
2012-06-11	403.73	7.339		55.01	"Guino gals. estimate: 7.40 EOC 77.79, Idle 0.05 gal. Avg. Spd. 43 mph. About 130 mi. before fill, I installed the flat front panel grill cover and changed to 10W-30 oil from the old 15W-40."
2012-06-15	472.92	8.516	$3.939	55.53	"Fill includes 1.25 oz. MMO. MPGuino estimate: 8.38 gal. Looks like it needs calibrating. Maybe due to reduced MMO = thinner = goes through injectors more easily. Or I just adjusted it too far last time. 47 mph avg speed 81 58 mi. EOC, 0.05 gal idle. This tank driven with new front grill block (smooth), and 10-40 oil instead of the 15-40 used previously. Older thick oil was due to the leak; replaced the cam shaft/dizzy o-ring seal a few weekends ago and last weekend changed the oil."
2012-06-20	531.5	9.5		55.95	"Includes 1.4 oz. MMO, 1.5 oz per 10 gallons is the continuing rate for me now. Guino est. gallons 9.29 EOC 77.7 mi. Idle 0.04 gal. Avg spd 48 mph. The whole tank was with the new grill block and 10W-40 oil. Been doing lots of highway neutral Pulse & Glide. Most cars are better with EOC but the HX PCM kills lean burn capability for approx 2 mi. every time you shut down engine. So neutral P&G is better overall if lean burn is possible otherwise. Recalibrated MPGuino for fuel after this fill. Prior reading * .98245762712 Hopefully that will work"
2012-06-26	552.79	9.937	$3.879	55.63	"Fill includes 1.5 oz. MMO. MPGuino estimate 9.85 gal. EOC 126.42 (took Rte 83 once and Ledyard route once) Idle 0.06 gal. Avg spd 44 mph"
2012-06-30	366.96	6.438	$3.879	57	"MPGuino Estimate: 6.43 gal 47 mph avg spd. EOC 75.25 mi; idle 0.02 gal. includes 1 oz MMO (current rate of 1.5 oz/gal fuel) Filled a bit early due to planned trip to NY suburbs; would rather do all my fillups at my regular station. Also this has been a very fine tank thus far, with some errands to do before the NY trip I didn't want to pull the tank down! After this fillup, charged battery with the new (2nd) charger for the Lithium pack."
2012-07-02	447.83	8.01	$3.879	55.91	"Guino gals estimate 8.03 EOC 57.98 mi, idle 0.05 gal Tank includes trip to NY suburbs. Hot day, used a/c on half the trip in. Night going back, used headlights just about the whole way. Fill data includes 1.2 oz.MMO."
2012-07-09	550.61	9.941	$3.879	55.39	"Guino est. gallons 9.90 EOC: 97.47 mi. Idle 0.06 gal avg spd: 45 mph Fill includes 1.5 oz MMO"
2012-07-14	583.78	11.037	$3.939	52.89	"Guino reset due to drained deep cycle battery down to 10V. So no Guino summary data, sorry. Miles are from trip odometer which is a mechanical display! I didn't truly go nearly 600 mi. between fillups. About 1/2 w through the distance I put in 4.008 gal., which I computed into the total fuel here. This tank was entirely car pooling to work which drives the numbers down somewhat due to passenger's needs. He's very accommodating of hypermiling but I have an extra stop to pick him up and drop him off. Had some very hot days so used a/c on more than one commute run."
2012-07-18	410.73	7.716		53.23	"Guino estimate 7.75 gal. EOC 65.43, idle 0.11. Avg spd, 43 mph Had the car in the shop a second time for accessory belts. Thus the extra idling. A/C compressor and also its clutch are scraping and squealing. If it freezes up on my I can cut the belt. Not sure if I want to spend the $$ to make it right. I do like having a/c and an efficient defroster."
2012-07-26	476.48	8.55	$3.979	55.73	"Spent a long weekend away, not driving the Civic, so there was more than the usual amount of time between fill ups. Had one good solo commute day on smaller roads, and one carpool leg I took smaller roads that allowed slower speeds. I've increased the MMO concentration back up to 1.75 oz per 10 gal. Guino gals estimate: 8.49 EOC: 91.47 mi. - helped by the small roads commutes Idle: 0.04 gal. Avg spd: 45 mph"
2012-08-01	506.24	8.965	$3.979	56.47	"Guino est. gallons: 9.06 EOC: 114.44, idle gal: 0.06 Avg spd: 43 Includes 1.7 oz MMO. Tank had a mix of good and bad influences. Several times, took smaller roads for part of the commute run, to good advantage. AC compressor gradually froze up and ultimately broke the belt. This caused drag while deteriorating and until I discovered and removed the broken belt that was causing friction for the other belts and pulleys. That done, it seemed possibly even better than before, with no belt drag from that belt, of course."
2012-08-07	506.24	8.932	$4.059	56.68	"Glastonbury/Hebron Ave shell. Guino reset during installation of second deep cycle battery, this one to support extended headlight use. Installed about 170 miles before this fill. Been car pooling and going via Ledyard, for more EOC."
2012-08-13	519.65	9.258	$3.999	56.13	"E. Hartford Shell station, changed from the prior Hebron Ave station. I think the fill being 0.32 g. less than the Guino estimate is due to the sloped pavement at the E. Htfd. pump. Guino estimate: 9.56 gal. EOC: 123.7 mi.; Idle 0.07 gal. Includes 2.5 oz MMO Been using Ft. 117 often but not always; it's a slower road offering plenty EOC."
2012-08-16	504.08	9.274	$3.699	54.35	"In Greenfield MA prior to start of One Gallon Challenge. I fumbled the battery switches on the way up to the Geeenfield start point so I have no Guino tank data. Miles from car's trip odo."
2012-08-20	556.54	10.169	$4.139	54.73	"This includes the One Gallon Challenge. This tank filled at Mystic Shell. MPGuino gallons estimate 10.10 EOC 101.39 mi;, idle 0.09. Avg spd. 40 mph."
2012-08-24	392.75	6.918	$4.079	56.77	"Filled at E. Htfd Shell. Guino gals est: 7.25, EOC:80.12 mi. 44 mph avg 2/3 of tank driven on marine deep cycle. Lithium on vacation due to both it's chargers died. New one on order. This tank without carpool except for one leg."
2012-08-30	488.1	8.625	$4.079	56.59	"E. Htfd Shell Guino reset due to manipating battery switches while driving without sufficient concentration."
2012-09-06	549.94	9.756	$4.079	56.37	"No major issues on this tank. Car pooling and school started up so not going via Ledyard, I-395 instead. However using 184 and Toll Gt Rd which which helps. Guino gal est.: 9.94 Trip odo 546.1, Guino 549.94 EOC 139.16, idle 0.07 39 mph avg"
2012-09-13	527.2	9.993	$4.279	52.76	"Guino est. gallons: 9.78 EOC 112.41 mi, idle 0.07 gal Trip odo 523.5 mi. 39 mph avg. FOR NEXT TANK: Add this mini-fill done ~70 miles after this fill, done due to MPGuino was inadvertently reset and lost data: Trip odo 71.99 Derived Guino actual miles: 72.49 Gallons: 1.704 Filled at Rte 184 Mobil"
2012-09-18	530.82	9.768	$4.199	54.34	"Includes the 72.49 mi and 1.704 gal noted in prior fill notes/comments. One trip against 27 mph headwinds. Weather getting cooler. Built adjustable (Velcro) block for the grill block opening, engine temps are normal 182 and up into 90's. Once hit 213, ouch."
2012-09-23	476.03	8.759	$4.259	54.35	"Incl. 1.8 oz MMO Filled at Poquonnock Rd. Shell in Groton. EOC 108.31 mi Idle 0.05 gal. 40 mph avg MPGuino gal. estimate: 8.75"
2012-09-28	550.65	9.673	$4.159	56.93	"Incl. 2 oz MMO. EOC 133.83 mi, Idle 0.04 gal. Avg 43 mph. Trip odo: 546.8 mi E Htfd Shell Switched gauge from Throttle Position Sensor to Load (%) for managing lean burn. I like!"
2012-10-12	466.18	8.743	$4.199	53.32	"Incl. 1.75 oz MMO. East Htfd Shell Guino gal est. 8.58 EOC 128.71 mi, Idle 0.08 gal Carpooled two days on this tank so more use of rt 85 and alternate days, shorter trips just to the meetup spot. New carpool partner is nicely tolerant of hypermiling techniques incl EOC and fast curves. Drove one full trip in rain at about 51 mpg for that trip."
2012-10-22	504.36	9.774	$4.039	51.6	"incl. 2 oz Marvel Mystery Oil. Guino gals. estimate: 9.56 gal. EOC 134.48 mi., idle .21 gal. Avg spd 36 mph .21 gal idle includes shop running engine after t'stat changeout. This is more idling than my usual .3-.5 gal. T'stat changed from former 78ºC (172ºF) to 180ºF. Now car pooling nearly every day. Found two new car poolers."
2012-10-26	498.42	9.072	$3.979	54.94	"First tank driven fully on new 180 deg F tstat. Guino gal est: 9.02 gallons EOC: 110.37 mi. Idle 0.05 gal. Avg spd 40 mph Only about 40% carpooled on this tank so I could concentrate better on driving technique. Plus, the new tstat helped too. Gas prices are down below $4.00!!!"
2012-11-02	421.29	7.838	$3.899	53.75	"The colder weather is starting to have an effect. Nights have been down in the 40's now. Guino gallons estimate: 7.81 gal EOC: 96.07 mi., Idle: 0.05 gal. Avg spd 41 mph Fuel qty includes 1.6 oz MMO. Some car pooling. Hurricane, 1 day off work. I day rushing home for Halloween, probably lost about 3 mpg on that trip."
2012-11-07	439.7	9.068	$3.899	48.49	"No summary tank data - inadvertently zeroed the MPGuino. This tank included Hurricane Sandy. What can I say? Tough times. Fill data includes 1.8 oz. Marvel Mystery Oil."
2012-11-16	448.29	9.443		47.47	"EOC 107.39, Idle 0.13 gal (I idled it to ID the hot/cold heater hoses) 34 mph avg Fill data includes 2 ounces Marvel Mystery Oil. Again, lots of car pooling. Thus the reduced average speed. Colder weather is taking its toll. Lately it's been around freezing when I get up in the a.m. Have the parts for block heater installation but there's no guarantee I will be able to install it. Not much room, etc, etc. I have a plan though..."
2012-11-21	463.75	9.194	$3.849	50.44	"Woo-hoo! first tank over 50 mpg in a while. Lost ScanGauge summary MPH. Includes 1.9 oz MMO. EOC 120.54, Idle 0/09 gal MPGuino estimated gal: 9.09 Car pooling every day now. The key to this tank's success was leaving earlier so I wouldn't need to rush driving. Overnight lows in the low 30's ºF these days. Fortunately no wet weather or hurricanes (!!) affected this tank."
2012-12-03	501.62	10.028	$3.799	50.02	"EOC 135.24 mi., Idle 0.06 gal Avg Spd 31 mph Guino gallons estimate: 10.27 gal. Includes 2.1 oz. Marvel Mystery Oil Installed Michelin LRR snows about 60-70 miles into this tank. Just prior to completing this tank, I installed the engine block heater. The benefits from that will appear in the next tank. Also changed oil, to SYNTHETIC Walmart 10-30 oil."
2012-12-07	475.19	9.072	$3.759	52.38	"EOC 82.80 mi, Idle 0.04 gal. 43 mph avg spd MPGuno estimate 8.94 gal. Fill incl. 2 oz MMO. Entire tank driven with use of block coolant heater for morning. Heater achieved 70-80 Deg F as a low point temp after startup. Only one day of car pooling."
2012-12-13	440.56	8.314	$3.699	52.99	"Guino estimate 8.43 gal EOC 92.32 mi, idle 0.07 gal 38 mph avg spd Maybe one day of car pool? Have been running the heater longer, approx 8 hrs. Mornings about 30 deg but today was 24."
2012-12-14	111.93	2.196	$3.699	50.97	"Guino reset itself while I pushed buttons. So I filled early after that. Included only one morning startup. Heater cut out, ECT was only 57 deg F at startup. Found side reservoir pretty full and rad hoses empty at top."
2012-12-21	472.31	8.984	$3.659	52.57	"Guino est gal.: 9.02 EOC 118.03 mi, idle 0.12 gal. 37 mph avg Fill includes 1.8 oz Marvel Mystery Oil Block heater rules! Friday drove to work in rain. 56.56 mpg for the trip! Oh yeah, the 25 mph tailwind didn't hurt either."
2013-01-07	543.63	10.763	$3.759	50.51	"Guino gallons estimate: 10.76 (!!) EOC: 128.82 mi. Idle: 0.10 gal. 38 mph avg. speed Had a couple wickedly cold days, about 13-15 deg. F in the mornings. Finally learned about parking NOT tilted nose up or right side up."
2013-01-14	433.49	8.768	$3.759	49.44	"Guino estimate 8.77 gal EOC 93.42 mi, Idle 0.10 gal. Avg speed 37 mph Includes 2.7 oz. MMO Included days when block heater not working due to air in system. Plus the days when Jackie was at L&M for broken leg, many trips on city streets."
2013-01-18	403.66	8.532	$3.699	47.31	"Est. gal. 8.40 EOC 71.6 mi, Idle .06 gal Avg spd. 40 mph Rough tank. Jackie in hospital and rehab, many short trips. Air in cooling system, heater only gets it up to about 60 deg. F. After I burp it it's OK for one night, then gets aired up again. WTF??? Exhaust in coolant maybe?? I tried parking at top of driveway where its pretty level, no cigar. Often won't maintain lean burn <61 mph. Already upped the MMO to about 3 oz per 10 gallons, no help really."
2013-01-30	564.75	11.976	$3.759	47.16	"More of the same. NOTE: Later pumped 4.389 gallons to dilute the MMO. Count that fuel into the next fillup."
2013-02-06	699.87	14.472	$3.959	48.36	"38 mph avg speed Guino reset. All I know is I noticed it after blasting horn at a guy who started blinking to enter my lane. This tank had two partial fills before I did a full full to close out that tank. Weather and conditions were more of the same, as previous tank."
2013-02-13	444.29	10.52	$4.099	42.23	"Guino reset itself so no other tank data. This fill was after removing belly pan Feb 11-12 due to snow damage."
2013-02-20	428.15	9.717	$4.079	44.06	"MPGuino est gal: 9.701 41 mph avg spd EOC: 69.37 mi; Idle: 0.09 gal. Fill incl 2 oz MMO. Belly pan removed Feb 11-12, 2013 due to snow damage. Power steering belt deleted approx Feb 20. Drives fine but driving gloves are a good idea."
2013-02-25	478.71	9.51	$4.079	50.34	"Filled at new Mystic Shell. Guino ER gal 9.94 was approx .4 gal more than actual. Likely due to this different station used. Will see if its .4 gal the other way next fill. EOC 87.82, idle 0.11 38 mph avg Fill incl 2 oz MMO"
2013-03-04	406.65	8.267	$4.079	49.19	"Fixed leaky coolant hose clamps below dizzy just before this full. This fill was at same station, car facing same way at pump as last time. Still came in under the Guino estimate. Guino est gal: 8.65 EOC: 83.33 mi, idle .11 gal Avg spd 33 mph"
2013-03-12	551.97	11.57	$3.899	47.71	"Guino Est gallons: 11.64 EOC: 83.33, idle .11 gal Avg spd 37 mph This includes a fill and a 2.352 gal mini-fill the following day. The first, at a Shell station I'd never used before, cami in well over the MPGuino estimate. So I filled again the next day at a Phillips to see if things evened up, which they did. Many small trips. Still battling mysterious coolant leak. I suspect head gasket due to persistent slight bubbles when burping. Added half a bottle Barr's this morning."
2013-03-16	523.8	10.834		48.35	"Included a Cataclean treatment at end of tank. 523.8 Guino mi. 520.1 odo mi. EOC 76.51 mi, idle 0.06 gal Avg spd 42 mph One tough commute in heavy rain with headwind. Otherwise decent. I seem to have most of the coolant leaks fixed but still paying close attention to it."
2013-03-21	430.77	8.806	$4.039	48.92	"1.8 oz MMO Guino est. 8.75 gal EOC 76.5 mi, idle .05 gal Avg spd 42 mph Trip odo 427.7 Better weather, thankfully. I think I have most of the bubbles out of the coolant so am runni g the block better again. BUT it still only gives about 30 -40 deg over ambient so not much help from that. Ran CataClean prior to this tank. So this tank used the approx 3/4 bottle of it that was diluted into that full tank. Lean Burn is running better than it was pre-treatment."
2013-03-23	238.69	4.959	$4.079	48.13	"Fillup Sat. 5:33 p.m., before Sunday trip to NY. Guino est. gallons 4.93 EOC 43.51 mi., Iddle 0.03 gal. Avg spd. 42 mph Fill calculated as ridiculously high mpg. I've added .4 gal to the fill. Will subtract .4 gal from the next fill, which originally calc'd as ridiculously low mpg."
2013-03-26	511.55	10.681	$3.859	47.89	"No MMO, running a CataClean treatment due to continued not staying in lean burn. Fill qty includes 16 oz CataClean. Guino est. gal: 10.82 Guino miles: 511.55 Trip Odo mi: 507.4 EOC: 56.02 mi., Idle 0.06 gal. Avg Spd 47 mph. Pre-fill in a.m. to make it up to work. Then prior to trip home, added a can of CataClean (this is the second treatment; did it a couple weeks ago). Then filled up fully in Colchester, CT, after driving about 20 miles on concentrated CataClean, per instructions. Fill calculated as ridiculously low mpg. I've subtracted .4 gal from the fill. Added .4 gal from the prior fill, which originally calc'd as ridiculously high mpg."
2013-05-08	324.8	7.819	$3.729	41.54	"First fill after not driving for 5 weeks. Lost MPGuino data due to battery not fully charged. Thus no summary tank data. 35 mph average (ScanGauge). Next tank will read a bit better mpg than the MPGuino indicates. Due to this fill was done at Williams St. in New London where I don't usually fill; the tank flowed over a bit due to I was filling at my usual slow rate towards the end. Not good at that pump!! Fill includes 2.5 oz MMO, that qty due to no MMO in tank from previous fill. Lean burn behavior got pretty nice after the first 55 mi. commute leg. After 3.5 commute legs, I removed the upper grill block. Even after topping up radiator and burping the coolant, it was still going up over 220º F with the block in place. Better with block removed but I think the cooling system still has issues."
2013-05-14	441.52	8.68	$3.859	50.87	"Silver Lane Shell in Manchester. Guino gallons: 9.35 EOC: 60.85 mi. Idle: 0.04 gal 45 mph avg Fill includes 3.75 oz MMO"
2013-05-20	438.56	9.31	$3.899	47.11	"Incl. 3.75 oz MMO 9.32 gal Guino estimate EOC 65.48 mi, idle 0.04 gal Avg spd 39 mph Filled at Rt 184 Henny Penny Shell."
2013-05-22	201.42	4.289	$3.879	46.96	"Lost rear aero spoiler when towed on flatbed, car pointed backwards. :-( Filled early to see any effect on mpg. Towed to shop in Groton near home, from E Htfd due to LF ball joint broke allowing axle to pull out of tranny. Guino miles: 201.42 Trip odo miles: 200.0 Guino gal: 4.24 Fill includes .8 oz MMO"
2013-05-27	442.51	8.638	$3.979	51.23	"Includes 1.8 oz Marvel Mystery Oil. Now back to .2 oz per gallon. Have not been getting any sustained low speed lean burn though. Don't know why though. Guino gallons EST: 9.16 EOC: 81.06 mi, Idle: 0.06 gal. Avg SPD: 43 mph"
2013-05-30	342.03	7.02		48.72	"46 mph average.- No MPGuino data; its. at jellybeandriver for service (new screen that can be seen through polarized sunglasses). No MMO."
2013-06-03	420.47	8.06	$3.799	52.17	"MPGuino out for service Avg spd 42 mph Fill incl 2.5 oz MMO SG showed 49.1 mpg Tank includes trip home from Cheshire plus trip to Boston-E. Hartford-home in 80 deg weather. Engine ran hot. Up to 237 deg F! Following this, I restored cooling system to stock, including removing the circulating tank block heater. Then a trip to E Htfd in 70 deg weather. Engine did not go over 195 F."
2013-06-06	369.77	7.517	$3.799	49.19	"No Guino, not back yet from service SG gals est 7.63 Fill includes 1.7 oz MMO 47 mph avg speed"
2013-06-07	156.43	3.326		47.03	"Filled after reinstalling MPGuino after display screen replacement. 39 mph avg. (No MPGuino data) Tank included one fast drive in light rain and one moderate speed drive in heavy rain."
2013-06-28	484.37	9.5	$3.799	50.99	"No MPGuino data. 45 mph avg Includes 2 oz MMO."
2013-07-08	452.48	9.22		49.08	"Daily CELs now. P0302 (misfire cyl #2) P0401 (insufficient EGR flow) EOC: 95.77 mi Idle: 0.07 gal 41 mph avg speed Occasionally will refuse any lean burn for several dozen miles. When this happens I will EOC on highway which is actually doable. NOTE FOR NEXT FILL: On 7/13, I put in 4.004 gal. at Valero near Belair, Mystic. It only had 2-3 gal in it at the time."