2008-06-08	88.4	2.8		31.57	"Topping off on the way back from downstate. 90% highway."
2008-06-08	330	10.4		31.73	"A trip downstate and back. 90% highway."
2008-06-16	389	13.4		29.03	"To work and back, plus a few backroads. 50% highway, the rest is stop and go, up and down many large hills. What I call driving around here."
2008-06-20	234.4	8		29.3	"Another week going to work and back. Driving around here. Hope to try something simple soon like a grille block."
2008-06-26	214	6.97		30.7	"Another almost week of going to work and back, but Ive never ever hit 30 mpg driving around here. Looks like the grille block and airdam have paid off."
2008-06-29	346.2	10.7		32.36	"20% to work and back. 80% downstate trip. Removed at least 150 lbs from trunk before leaving for downstate. Windy the whole way. Rain for about 40 miles. No problems with grille block and airdam."
2008-07-08	380.3	11.6		32.78	"20% from last downstate trip, 80% going to work and back. First 33 mpg tank ever, surprised that it happened driving around here."
2008-07-18	411.2	13.36	$4.099	30.78	"100% to work and back. Several foggy mornings that needed headlights. Also a few necessary trips across Charlevoix which is jammed up with tourist traffic. Filled up using acetone 3 oz to 10 gal."
2008-07-20	256.6	6.7	$4.089	38.3	"All downstate trip less 10 miles. No headlights or wipers needed. Drivers window down 1/3 like usual. Looks like acetone paid off. Topped off tank and used acetone again 3 oz to 10 gal, drove 60 miles home."
2008-07-29	412.9	12.9	$3.989	32.01	"Pump broken, tank overflow, lost .1 gallons on ground. 15% from last downstate trip, 85% to work and back. 3 oz acetone per 10 gallons."
2008-08-09	440.7	13.07	$3.999	33.72	"100% to work and back. Acetone 3 oz/10 gal. All warm days, drivers window open 1/4 on the way home every day."
2008-08-10	291.4	8.8	$3.769	33.11	"15% to work and back, 85% downstate. 1st tank mostly with mpguino which seems very close. Another broken pump and tank overflow, but barely. Guino said 36 mpg whole trip except 30 mpg north on freeway due to wind, and 34 mpg average for trip. Taking side roads next time. Filled up with 3oz/10 gal acetone again."
2008-08-21	466.8	13.59	$3.899	34.35	"15% from last downstate trip, 85% to work and back. Still using acetone at 3 oz/10 gal. Didnt track guino readings but most were 31 mpg morning and 33 or so home, or about 4.1% high on fuel use."
2008-09-01	435.2	13.08	$3.899	33.27	"100% driving around here, 1 trip across congested Charlevoix and back, some dirt backroads. Forgot acetone at fillup. Guino read approx 4.2% high on fuel use. Had to estimate a couple trips because of guino glitches."
2008-09-01	332.6	8.864	$3.739	37.52	"To Mackinac bridge walk and back (guino said 30 mpg going north on freeway (wind), 35 mpg coming back on side roads), then downstate and back (guino said 35 mpg for entire trip till fillup). Stayed on side roads coming north to avoid freeway wind. No acetone again this fillup. Guino said 34.56 mpg, or 8.6% high on fuel use."
2008-09-10	458.8	13.61	$3.999	33.71	"15% from last downstate trip, 85% to work and back. Several days with rain and wind really hurt mpg. Scraped ice off windows today and lost mpg today too, winter is getting close. Guino showed fuel use 1% high. Filled up using acetone again 3oz/10gal."
2008-09-14	484.1	12.91	$4.199	37.5	"25% work and back roads, 75% downstate and back and partially downstate again. Rain for about 25% of the tank. Guino read 4.8% high on fuel use. Acetone at fillup 3oz/10gal."
2008-09-14	201.1	5.526	$3.999	36.39	"100% downstate and back, topping off on way home. Rain entire way. Acetone at fillup 3oz/10gal. Guino read 6.9% high on fuel use."
2008-09-23	399.2	12	$3.999	33.27	"15% from last downstate trip, 85% to work and back. Weather is getting colder. Filled up using 3oz/10gal acetone again. Guino read 5% high on fuel use."
2008-09-26	315.5	8.59	$3.749	36.73	"50% to work and back, 50% going downstate. Warmer weather. Replaced airdam with partial bellypan. 3oz/10gal acetone. Guino showed fuel use 8% high."
2008-09-28	313.1	8.475	$3.749	36.94	"Back home and downstate again, 90% highway. Same station, pump, direction. 3oz/10gal acetone. Guino showed fuel use 5.4% high."
2008-10-03	402.8	12.52	$3.599	32.17	"40% from last downstate trip, 60% to work and back. Cold wind and rain for nearly entire tank, also airdam removed and partial bellypan added in place. 3oz/10gal acetone at fillup. Guino read 0.5% high on fuel use."
2008-10-10	420	12.14	$3.169	34.6	"60% to work and back, 40% downstate. Mostly nice days. Reinstalled airdam about halfway through tank. Acetone 3oz/10gal at fillup. Guino showed fuel use 6.2% high."
2008-10-12	492.5	12.77	$3.269	38.57	"5% around here, 95% back from downstate, then downstate and back again. Warmer weather. 3oz/gal acetone at fillup. Guino showed fuel use 5% high."
2008-10-22	403.7	12.73	$2.899	31.71	"100% driving around here. Weather is getting cold and windy, 10F this morning but no snow yet. 3oz/10gal acetone at fillup. Guino showed fuel use 2% LOW which is weird."
2008-10-24	374.2	11	$2.479	34.02	"40% to work and back, 60% downstate trip. Acetone at fillup. Mornings ice cold. Guino 3.6% high on fuel use."
2008-10-28	496	14.36	$2.609	34.54	"20% around here, 80% downstate trip. Acetone at fillup. Cold wet windy weather. Guino read 3.3% high on fuel use."
2008-11-08	371.7	11.07	$1.999	33.58	"10% downstate trip, 90% to work and back. Unseasonably warm 40-60 degrees most days. Wife drove it for a day and got low 20s. Acetone at fillup. Guino showed fuel use 4.3% high."
2008-11-09	524.3	14.77	$1.959	35.5	"5% around here, 95% downstate and back, then downstate again and halfway back. Acetone at fillup. Snowy for half of tank. Something's wrong, guino showed 10% LOW on fuel use, off by 1.3 gallons."
2009-03-26	428.4	13.58	$2.099	31.55	"First fillup this year, car has been parked since last November. Probably some fuel evaporation from sitting so long. Also ran the engine a few times in the yard till operating temp and moved it to plow around it. Acetone at fillup. Still not bad mpg."
2009-04-12	457.1	13.13	$1.979	34.81	"65% downstate, 35% around here. Windy, about 30F. Guino 8.6% LOW on fuel use. Something is really wrong. Fuel leak, bad injector, bad pressure regulator, something."
2009-04-16	435.5	12.77	$2.099	34.1	"60% downstate, 40% to work and back. Used injector set installed (at end of tank) with consistent ohm readings. 1 mpg tank loss while cleaning injectors. Fillup after injectors seem clean. Guino 7.5% LOW on fuel use. Fuel vapor leak still needs addressed."
2009-04-26	476.9	13.35	$1.989	35.72	"30% to work and back, 70% downstate trip. Lots of wind. Guino 10% LOW on fuel use."
2009-04-30	466	13.29	$2.099	35.06	"50% downstate, 50% around here. Windy. Guino 7.1% LOW on fuel use. Time to recalibrate the guino."
2009-05-08	474.8	13.84	$2.349	34.31	"65% to work and back, 35% downstate. Guino recalibrated, 0.4% low on fuel use."
2009-05-11	460.5	12.31	$2.299	37.41	"95% downstate, 5% to work and back. Guino 0.1% low on fuel use."
2009-05-22	457.3	13.76	$2.449	33.23	"90% to work and back, 10% downstate. About a 30 mph south wind for a week. Several mornings scraping windows. Guino screwed up once on fuel cut. Guino 1% high on fuel use, probably due to fuel cut screwup."
2009-05-25	407.1	11.61	$2.469	35.06	"15% around here, 85% downstate. Fierce wind from south. Guino 1.2% high on fuel use, probably because it screwed up on fuel cut once this tank."
2009-06-02	454.3	13.28	$2.899	34.21	"55% downstate, 45% to work and back. 20F-45F temps and wind, friggin cold. Guino 3% LOW on fuel use. Installed partial boattail near end of tank."
2009-06-08	509.3	13.85	$2.999	36.77	"70% downstate, 30% to work and back. Headwind both ways downstate. Still waiting for summer, 20F to 50F temps. Guino 0.2% high on fuel use."
2009-06-19	437.9	13.02	$2.899	33.63	"100% around here. Summer finally arrived towards end of tank. Guino right on with fuel use."
2009-06-28	523.4	13.89	$2.539	37.68	"65% around here, 35% downstate. Warm weather, but windy going downstate. Guino 2.3% LOW on fuel use."
2009-07-07	470.6	13.27	$2.699	35.46	"35% back from downstate, 65% to work and back. Summer is over, 50F daytime highs since arriving home from downstate. Guino 4.7% LOW on fuel use, something might be going on again. Could also be that the car was tilted a bit away from the fill neck when parked at the pump."
2009-07-19	593.9	15.91	$2.239	37.33	"65% to work and back, 35% downstate. Removed wheel skirts for last 2/3 of tank. No I didn't put 15.91 gallons in a 15.7 gallon tank, I added from a 3 gallons from an expensive northern station. Hit and miss on the weather, some nice warm days, some cold damp days. Guino right on with fuel use."
2009-07-27	480	13.21	$2.529	36.34	"35% from downstate, 65% around here. Mostly rain, 1 trip across town. Guino 2% LOW on fuel use, but used same pump which is tilted away from fill neck."
2009-08-09	484.4	13.49	$2.639	35.91	"15% downstate, 85% around here. 1st week dealing with road construction, 2nd week taking alternate route. Mostly rain and some 30F mornings. Guino right on with fuel use."
2009-08-14	530.9	13.47	$2.679	39.41	"55% from downstate, 45% to work and back (still taking alternate route). Summer has finally returned for the last 5 days. Guino dead nuts on fuel use."
2009-08-28	483	13.65	$2.649	35.38	"100% to work and back. Lots of rain, several 30F mornings. Guino 6.2% LOW on fuel use, but filled up at that same station with car tilted away from fill neck."
2009-09-05	494.2	13.24	$2.649	37.33	"65% downstate and back, 35% to work and back. Mornings mostly 30F, one at 22F and ice. Evenings 60F-70F. Still taking alternate route. Guino 2.1% LOW on fuel use, same station and direction as last time."
2009-09-11	520.9	13.3	$2.649	39.17	"60% downstate trip, 40% to work and back. All nice days, looks like we are going to have a very late summer. Same station as last time. Guino 0.8% LOW on fuel use, pretty close."
2009-09-20	435.2	11.63	$2.529	37.42	"95% downstate, 5% to work and back. Nice weather. Tail extension added at start of tank. Guino 0.8% LOW on fuel use, pretty close."
2009-09-24	469.8	12.53	$2.559	37.49	"40% to work and back, 60% downstate. Nice days but cold foggy mornings. Guino 0.4% LOW on fuel use, very close again."
2009-10-06	416.1	12.5	$2.499	33.29	"100% to work and back. 40-50F daytime highs, lots of rain. Winter is setting in, snow forecast for this weekend. Looks like one of the last tanks of the season. Took tail extension off halfway thru tank which helped mileage. Guino 4% LOW on fuel use."
2009-10-16	485	13.41	$2.599	36.17	"Mostly downstate. Guino right on."
2009-10-18	470.4	13.84	$2.589	33.99	"Mostly downstate except around town one day which cost me 2 mpg from avg. Guino 4% LOW. Also suspect bad gas, due to some misfires on that tank. Went away on current tank."
2009-10-30	455.8	12.84	$2.849	35.5	"Mostly cold and rain. Guino right on with fuel use."
2009-11-01	478.7	13.06	$2.699	36.65	"Mostly downstate and back. Wind and rain. Guino 2.6% LOW on fuel use."
2009-11-09	460.3	13.58	$2.799	33.9	"35% from downstate trip, 65% to work and back. Mostly cold, dark, rain. Guino 3.3% LOW."
2009-11-13	417.7	12.24	$2.589	34.13	"50% to work and back, 50% downstate. Ice cold mornings. Guino 2.2% LOW on fuel use, time to recalibrate next year."
2009-11-16	471.6	12.91	$2.699	36.53	"90% downstate, 10% to work and back. About 40F, about 20F around here. Guino 3.5% LOW."
2009-11-25	445.6	13.49	$2.619	33.03	"100% around here. Guino 2.2% LOW on fuel use. Looks like last tank of season, snow is here now."
2010-03-19	441.9	13	$2.899	33.99	"First fillup since parking it for the winter last year."
2010-03-22	461.3	12.44	$2.859	37.08	"5% around here, 95% downstate and back. 20F to 40F temps, wind. Guino 3.2% LOW."
2010-03-31	437.2	12.77	$2.829	34.24	"35% from downstate, 65% to work and back. Guino 4.7% LOW. Recalibrated again."
2010-04-06	463.6	12.07	$2.899	38.41	"70% downstate, 30% to work and back. Guino dead nuts after recalibrating."
2010-04-16	496.5	13.87	$2.939	35.8	"50% around here, 50% downstate. Guino still pretty much right on, 0.1% high."
2010-04-20	485.1	12.64	$2.939	38.38	"50% downstate, 50% around here. Guino 4.6% high at 13.23, probably because car was tilted toward nozzle when filling. Next tank should average out."
2010-04-30	461	13.74	$2.899	33.55	"100% to work and back. Guino 4.6% LOW, exactly making up for improper fill last time."
2010-05-02	543.8	13.48	$2.879	40.34	"100% downstate and back, downstate again and most of the way back. Guino 3.9% high at 14.01, or pump kicked off too soon but car was level. Same pump that was condemned awhile ago. Will see next time."
2010-05-12	461.1	13.7	$2.939	33.66	"10% from downstate, 90% to work and back. Guino 1.6% high. Horrible winds, 10F mornings, snow."
2010-05-16	510.4	13.87	$2.709	36.8	"70% downstate, 30% around here. Guino 3.8% high."
2010-05-21	502.7	13.02	$2.799	38.61	"55% downstate, 45% to work and back. Guino went screwy temporarily during fuel cut. Guino 3.2% high."
2010-05-28	492.7	12.53	$2.669	39.32	"45% to work and back, 55% downstate. Guino screwed up again on fuel cut, 4% high. Nicest late May temps in 20 years."
2010-06-02	535.7	13.95	$2.799	38.4	"65% downstate, 35% around here. Guino 1.4% high. Been really nice out for about a week and a half, colder again today."
2010-06-15	526	14.04	$2.799	37.46	"60% downstate, 40% around here. Guino 2.8% high."
2010-06-24	471.4	13.56	$2.899	34.76	"100% around here. Battery terminal broke so guino reset. Fairly warm temps."
2010-07-04	443.5	12.61	$2.769	35.17	"100% around here. Guino 2.1% high, also screwed up once on fuel cut. Warm temps."
2010-07-10	507.5	13.34	$2.819	38.04	"65% downstate, 35% around here. Guino 0.6% high. Warm temps."
2010-07-22	502.5	14.48	$2.859	34.7	"100% around here. Guino 1.2% LOW but pump went screwy and had to go to 2nd click. Warm temps."
2010-07-28	538	13.5	$2.859	39.85	"60% downstate, 40% to work and back. Guino 2.6% high over 2 tanks. Screwed up on fuel cut nearly every day but it was nice and warm. Also making up for mpg from extra click fill last time."
2010-08-11	467.1	12.82	$2.859	36.44	"100% to work and back. Guino 2.6% high over 2 tanks. Screwed up on fuel cut nearly every day but it was nice and warm."
2010-08-15	424.3	11.23	$2.639	37.78	"65% downstate, 35% to work and back. Guino 0.4% high. Summer ended today for good, wind from hell and kept ripping off my plastic. But it had been really nice for awhile. Hadn't seen this much sun in Michigan since I was a kid."
2010-08-26	500.8	13.71	$2.699	36.53	"10% from downstate, 90% around here. Guino 0.3% high. Getting colder."
2010-09-07	454.1	13.29	$2.799	34.17	"100% around here. Back to normal, cold, rain, wind. Road closed, had to take mudhole back road home losing 1 mpg from tank."