2008-07-11	139	4.053	$4.499	34.3	"Installed manual with 3.5:1 final drive and 155/80/13 tires. Full tune with Timing belt and set timing to factory spec. Tire pressure set to 44psi. Consistant driving pattern to and from work 9-10 miles mon.-sat. city driving with about 2 miles open road 45-55MPH with occassional and very rare 20+ mile trip."
2008-07-27	250	6.958	$4.199	35.93	""
2008-08-09	277	7.267	$4.099	38.12	""
2008-08-23	285	6.946	$3.899	41.03	""
2008-09-06	249	6.365	$3.799	39.12	""
2008-09-12	64	1.778	$3.759	36	""
2008-10-21	231	6.541	$3.199	35.32	""
2008-11-22	332	9.277	$1.999	35.79	""
2008-12-12	302	7.824	$1.699	38.6	""
2009-01-12	278	7.922	$1.959	35.09	""
2009-01-31	314	9.408	$2.079	33.38	"Changed oil from conventional 5W30 to synthetic 5W30 - 1/14/09"
2009-02-13	310	8.467	$2.259	36.61	""
2009-03-07	339	9.566	$2.199	35.44	""
2009-03-27	335	9.136	$2.259	36.67	"WAI mod 3-7-09"
2009-04-09	346	9.284	$2.359	37.27	"4/4/09 - Changed WAI to CAI at hi pressure area in front of radiator. Some fuel used during smog inspection and A/C service."
2009-04-25	334	8.718	$2.399	38.31	""
2009-05-15	335	9.05	$2.539	37.02	""
2009-06-06	331	8.539	$2.899	38.76	"P&G kill and Remote Start Switch Added 6-1-09 P&G practice last 80 miles. Two 50 mile trips + regular route"
2009-06-13	343	8.497	$3.059	40.37	"Three 50-60 mile trips + regular route. Practice P&G. P&G takes more skill than I thought!"
2009-07-04	316	8.01	$2.999	39.45	""
2009-07-13	335	8	$2.899	41.88	""
2009-07-23	347	8.02	$2.879	43.27	"New driving route. 13th&14th drove 30 miles interstate and 60 miles city/rural/up&down/twisty roads round trip each day Starting on the 17th each day Mon-Sat. 16miles of interstate and 16miles of city/rural/up&down/twisty roads driving round trip. Trying to maintain 55-60MPH on interstate and EOC as much as possible. Driving longer distances helps mileage. Guessing mostly due to higher average coolant temps."
2009-08-04	282	7.677	$2.999	36.73	"The wife used my car while I work on A/C system in our van. She uses high rev racing style driving technique with two kids and a/c on all the time."
2009-08-13	318	8.857	$3.079	35.9	"Got my car back last week. I tried to salvage this mileage number but it was too late."
2009-08-27	389	9.183	$2.999	42.36	"Back to regular driving pattern."
2009-09-09	364	8.814	$3.119	41.3	""
2009-09-23	360	9.053	$3.099	39.77	"Driving faster on freeway. Averaging 65mph."
2009-10-04	299	7.688	$3.039	38.89	""
2009-10-14	370	9.307	$2.959	39.76	""
2009-10-21	363	8.965	$3.099	40.49	""
2009-11-03	365	9.237	$3.059	39.51	""
2009-11-15	355	9.24	$3.059	38.42	""
2009-11-22	332	8.738	$2.939	37.99	""
2009-12-09	350	9.273	$2.999	37.74	""
2009-12-14	324	8.965	$2.899	36.14	""
2010-02-05	277	9.134	$2.939	30.33	"Not driving Geo regularly. This tank was used for occassional short trips around town and hauling kids and recycling."
2010-02-09	294	8.356	$2.939	35.18	"Taking kids to school and three long freeway trips doing 85MPH at times. Two of those trips I had two kids and luggage. This was the hardest I've ever driven the Geo. Not much hypermiling this tank."
2010-02-18	302	9.305	$2.899	32.46	""
2010-03-01	259	7.739	$3.059	33.47	""
2010-03-09	206	6.34	$3.059	32.49	""
2010-04-23	301	8.285	$3.199	36.33	""
2010-05-25	313	9.128	$2.999	34.29	""
2010-07-09	259	8.109	$3.099	31.94	""
2010-08-08	283	8.22	$3.159	34.43	""
2010-12-08	200	6.012	$3.259	33.27	"Car has been sitting because of slipping clutch. I now have a new clutch, and with it, a new commute. 29 miles on Interstate and 20 miles of twisty mountain road and city stop & go combination. Interstate speeds range from 70-80MPH with almost no traffic."
2010-12-10	244	6.821	$3.239	35.77	""
2010-12-14	287	8.321	$3.259	34.49	""
2010-12-17	294	8.801	$3.259	33.41	""
2010-12-21	313	8.503	$3.299	36.81	""
2010-12-24	295	8.44	$3.299	34.95	""
2010-12-28	293	7.911	$3.319	37.04	""
2010-12-31	242	6.912	$3.319	35.01	"Rear hub bearings have been making some noise for a while now but they are really growling at me over the last week to week and a half. Going to drive the wife's van until I change the bearings."
2011-01-14	313	9.34	$3.339	33.51	"Changed rear hub bearings one week before this fill-up but I have been driving the wifes van while she has been out of town. I think the pump over charged me. My scan gauge has been very accurate up until this fill-up. It estimated 8.5 gallons for this fill-up."
2011-01-18	314	8.482	$3.339	37.02	""
2011-01-21	302	8.556	$3.339	35.3	""
2011-01-25	283	7.948	$3.339	35.61	""
2011-01-28	289	8.611	$3.339	33.56	""
2011-01-29	297	7.889	$3.339	37.65	""
2011-02-03	285	8.823	$3.379	32.3	""
2011-02-08	300	8.989	$3.399	33.37	""
2011-02-11	295	8.677	$3.439	34	""
2011-02-14	227	6.544	$3.479	34.69	""
2011-02-17	287	8.437	$3.539	34.02	""
2011-02-21	296	9.262	$3.579	31.96	""
2011-02-25	286	7.803	$3.739	36.65	""
2011-02-28	235	6.833	$3.759	34.39	""
2011-03-04	288	8.995	$3.899	32.02	""
2011-03-08	311	8.437	$3.899	36.86	""
2011-03-11	245	6.942	$3.939	35.29	""
2011-03-15	305	8.29	$3.959	36.79	""
2011-03-19	281	8.13	$3.939	34.56	""
2011-03-28	314	8.432	$4.039	37.24	"Driving pattern change. 23 miles of combined up/down hill mountain driving and city stop & go. No consistant interstate driving."
2011-04-05	286	7.676	$4.119	37.26	""
2011-04-13	248	6.931	$4.179	35.78	""
2011-04-21	258	7.909	$4.199	32.62	"Repair work and smog inspection used up some gas with no miles logged causing a low MPG."
2011-04-30	277	6.988	$4.259	39.64	""
2011-05-10	289	8.066	$4.259	35.83	""
2011-05-25	288	8.081	$4.099	35.64	""
2011-06-03	300	7.854	$3.999	38.2	""
2011-06-14	281	7.742	$3.919	36.3	""
2011-06-22	295	7.821	$3.799	37.72	""
2011-09-14	256	7.814	$3.969	32.76	"Car down while I had transmission rebuilt. Replaced front wheel bearings. I could hear right front bearing start to growl. Counter shaft bearing in transmission came apart causing high pitched noise on decel and shifter was popping out of fourth. Pulled about two gallons from car to power generator during a county wide power outage across San Diego and Imperial counties."
2011-09-22	285	7.456	$3.899	38.22	""
2011-09-29	282	7.508	$3.879	37.56	""
2011-10-12	293	7.708	$3.859	38.01	""
2011-10-19	318	8.27	$3.879	38.45	""
2011-10-26	281	7.147	$3.839	39.32	""
2011-11-03	308	8.241	$3.879	37.37	""
2011-11-10	274	7.199	$3.879	38.06	""
2011-11-21	309	8.661	$3.779	35.68	""
2011-12-01	326	8.751	$3.679	37.25	""
2011-12-09	270	7.845	$3.539	34.42	""
2011-12-17	285	7.979	$3.579	35.72	""
2011-12-29	307	8.911	$3.639	34.45	""
2012-01-06	291	7.445	$3.719	39.09	""
2012-01-14	262	7.601	$3.739	34.47	""
2012-01-21	248	6.641	$3.739	37.34	""
2012-01-27	214	5.196	$3.759	41.19	""
2012-02-03	274	7.917	$3.799	34.61	""
2012-02-10	264	7.078	$3.879	37.3	""
2012-02-17	291	7.689	$4.019	37.85	""
2012-02-24	255	7.55	$4.299	33.77	"Oil change with Rislone additive at 146,753."
2012-03-02	326	8.388	$4.359	38.87	""
2012-03-13	315	7.986	$4.359	39.44	"New tires at 147,315."
2012-03-20	251	7.276	$4.339	34.5	""
2012-03-29	254	6.562	$4.339	38.71	""
2012-04-10	301	8.345	$4.299	36.07	""
2012-04-18	290	7.999	$4.199	36.25	""
2012-04-26	292	7.772	$4.159	37.57	""
2012-05-04	301	8.966	$4.239	33.57	""
2012-05-12	300	7.273	$4.429	41.25	""
2012-05-19	255	7.278	$4.229	35.04	""
2012-05-26	306	7.991	$4.229	38.29	""
2012-06-05	280	7.53	$4.199	37.18	""
2012-06-13	292	8.391	$4.079	34.8	""
2012-06-19	273	7.2	$3.839	37.92	""
2012-06-26	289	7.127	$3.839	40.55	""
2012-07-03	280	7.819	$3.699	35.81	"Oil Change w/o additive at 151550."
2012-07-12	298	8.004	$3.699	37.23	""
2012-07-24	318	8.062	$3.839	39.44	""
2012-08-02	314	8.697	$3.879	36.1	""
2012-08-10	293	8.188	$4.059	35.78	"08-07-2012 - Driving route change. 5 miles of 55 MPH highway with gradual turns and elevation changes. 10 miles of hard braking and accelerating, trail braking, hairpin turns, elevation changes and very little thought towards fuel conservation. 4 miles of 70MPH interstate with a section of steep elevation change. 2 miles of city stop and go 30-40MPH. Same route in reverse going home."
2012-08-17	248	7.911	$4.099	31.35	""
2012-08-24	249	8.215	$4.139	30.31	""
2012-08-31	271	8.098	$4.179	33.47	""
2012-09-07	244	7.529	$4.179	32.41	""
2012-09-13	245	8.141	$4.139	30.09	""
2012-09-21	259	8.583	$4.099	30.18	""
2012-09-28	256	7.449	$4.199	34.37	""
2012-10-03	245	7.374	$4.399	33.22	"Oil change at 154,610."
2012-10-11	274	9.029	$4.679	30.35	""
2012-10-19	277	8.259	$4.399	33.54	""
2012-10-25	259	8.098	$4.199	31.98	""
2012-10-31	260	7.547	$4.099	34.45	""
2012-11-07	253	7.921	$3.959	31.94	"10-29-12 Driving pattern change. Drive to work is the same as before. Return route uses same first 2 mile city and 5 mile interstate pattern. 8 miles of flat city stop and go 40-50MPH. 2.5 miles of steep climbing at 45-55MPH 6.5 miles highway 55MPH with slight elevation changes and gradual turns."
2012-11-16	261	7.452	$3.839	35.02	""
2012-11-26	275	8.267	$3.799	33.26	""
2012-12-01	219	6.944	$3.739	31.54	""
2012-12-11	307	9.116	$3.659	33.68	""
2012-12-19	284	7.37	$3.559	38.53	"12-12-12 Driving route change. Using previous return route and said return route in reverse order going to work."
2012-12-28	297	8.352	$3.619	35.56	""
2013-01-04	253	7.926	$3.679	31.92	""
2013-01-14	331	8.439	$3.699	39.22	""
2013-01-18	289	7.712	$3.759	37.47	"Out of the ordinary trip. Mostly interstate."
2013-01-28	296	8.208	$3.739	36.06	""
2013-02-05	283	8.061	$4.059	35.11	""
2013-02-13	299	7.811	$4.199	38.28	""
2013-02-18	256	6.726	$4.299	38.06	""
2013-02-21	273	7.832	$4.299	34.86	"Interstate driving 70+MPH with two people."
2013-02-25	254	6.547	$4.299	38.8	""
2013-03-04	264	6.83	$4.279	38.65	""
2013-03-11	251	7.046	$4.199	35.62	""
2013-03-16	233	6.177	$4.199	37.72	""
2013-03-21	258	6.64	$4.079	38.86	""
2013-03-29	312	7.927	$4.059	39.36	""
2013-04-06	260	7.284	$4.099	35.69	""
2013-04-12	267	6.725	$3.979	39.7	"Oil changed just before this fill up."
2013-04-20	287	8.091	$3.939	35.47	""
2013-04-26	274	7.545	$3.899	36.32	""
2013-05-04	296	8.216	$3.949	36.03	""
2013-05-13	293	8.371	$4.079	35	""
2013-05-17	283	7.419	$4.059	38.15	""
2013-05-24	293	7.898	$4.039	37.1	""
2013-06-01	263	7.367	$3.979	35.7	""
2013-06-08	291	8.101	$3.939	35.92	""
2013-06-17	302	8.083	$4.039	37.36	""
2013-06-24	280	7.892	$4.139	35.48	""
2013-07-01	287	7.477	$3.999	38.38	""
2013-07-08	219	5.973	$4.039	36.66	"Chevron MPG for experiment."
2013-07-16	295	7.98	$3.923	36.97	"Beginning of fuel brand experiment. Chevron fuel has always been used up until this point. Planning on purchase of three fill ups from Arco, Costco & Shell and then back to Chevron. Looking for cost per mile comparison. There was a .35c ATM charge applied to total cost. This ATM charge has been incorporated into cost per gallon. Chevron MPG."
2013-07-22	269	7.23	$4.099	37.21	"Arco MPG. Offered a free fill up by someone with a Chevron gas card and I couldn't refuse. Chevron fill up."
2013-08-01	293	7.515	$3.985	38.99	"Chevron MPG. This fill up was Arco."
2013-08-06	267	7.728	$3.844	34.55	"Arco MPG."
2013-08-13	277	7.743	$3.689	35.77	"Arco MPG. Costco fill up."
2013-08-21	287	8.317	$3.679	34.51	"Costco MPG."
2013-08-29	285	7.592	$3.649	37.54	"Costco MPG."
2013-09-04	257	7.448	$3.859	34.51	"Costco MPG. This fill up at Shell."
2013-09-11	270	7.716	$3.999	34.99	"Shell MPG."
2013-09-19	295	8.064	$3.999	36.58	"Shell MPG."
2013-09-25	292	7.289	$3.959	40.06	"Shell MPG. Chevron fill up. Final experiment results from least to most expensive. Chevron - Cost per mile $0.104 - Average MPG 37.54 - Average cost per gallon $4.046 Costco - Cost per mile $0.105 - Average MPG 35.52 - Average cost per gallon $3.672 Shell - Cost per mile $0.107 - Average MPG 37.21 - Average cost per gallon $3.952 Arco - Cost per mile $0.112 - Average MPG 35.84 - Average cost per gallon $3.872 + .35c ATM"
2013-10-02	272	7.621	$3.899	35.69	""
2013-10-09	265	7.082	$3.739	37.42	""
2013-10-15	288	7.849	$3.799	36.69	""
2013-10-22	274	7.742	$3.759	35.39	""
2013-10-31	291	7.539	$3.699	38.6	""
2013-11-07	287	7.3	$3.599	39.32	""
2013-11-14	287	7.34	$3.599	39.1	""
2013-11-21	257	7.213	$3.579	35.63	""
2013-11-24	277	7.917	$3.639	34.99	""
2013-11-29	255	6.758	$3.659	37.73	""
2013-12-06	247	6.778	$3.659	36.44	""
2013-12-13	259	7.183	$3.599	36.06	""
2013-12-19	281	7.665	$3.599	36.66	""
2013-12-28	280	7.344	$3.679	38.13	""
2014-01-03	236	6.595	$3.679	35.78	""
2014-01-11	279	7.789	$3.679	35.82	""
2014-01-20	299	8.184	$3.639	36.53	""
2014-01-25	243	6.567	$3.699	37	""
2014-01-31	297	7.883	$3.679	37.68	""
2014-02-06	277	7.753	$3.659	35.73	""
2014-02-13	266	7.177	$3.839	37.06	""
2014-02-20	268	7.441	$3.899	36.02	""
2014-02-28	282	7.9	$3.939	35.7	"Transmission has been grinding into second and popping out of gear. Input shaft bearing just started growling."
2014-05-02	669	15	$4.279	44.6	"Converted from '96 1.3L 8 valve 4 cylinder with 3.5:1 final drive to a 2000 1.0L 3 cylinder with 4.39:1 final. Swapped out factory fuel tank for new tank with Onboard Refueling Vapor Recovery system. Used up fuel in old fuel tank plus fuel in gas cans. Fuel volume is a close approximation. Making big effort to not change driving style to get a solid comparison between two drivetrains. No P&G, just conservative city driving, minimal idle time & 70MPG on freeway."
2014-05-12	338	7.446	$4.199	45.39	""
2014-05-21	359	8.051	$4.139	44.59	""
2014-05-29	356	7.759	$4.099	45.88	""
2014-06-06	323	7.085	$4.099	45.59	""
2014-06-14	314	7.686	$4.219	40.85	"Removed stock steel rims with 155/80R13. Installed Eagle Alloy 14x6 five spoke rims with 185/65R14 Radar tires. Compensation factor for larger outer diameter is +2% which I have calculated and verified using Google maps and cars odometer. I will apply this compensation to the mileage entry starting with this fill up."
2014-06-19	336	8.201	$4.099	40.97	""
2014-06-25	310	7.6	$3.939	40.79	""
2014-07-03	345	8.707	$4.159	39.62	""
2014-07-14	350	8.453	$4.099	41.41	""
2014-07-22	335	8.042	$3.999	41.66	""
2014-07-30	357	8.194	$3.939	43.57	""
2014-08-06	355	8.26	$3.899	42.98	""
2014-08-14	337	8.125	$3.859	41.48	""
2014-08-20	310	7.337	$3.839	42.25	""
2014-08-28	317	7.606	$3.799	41.68	""
2014-09-08	311	7.203	$3.779	43.18	""
2014-09-13	288	6.938	$3.829	41.51	""
2014-09-18	297	6.948	$3.699	42.75	""
2014-09-26	310	7.345	$3.659	42.21	""
2014-10-07	309	7.386	$3.659	41.84	""
2014-10-14	282	6.878	$3.599	41	""
2014-10-20	276	6.705	$3.559	41.16	""
2014-10-28	320	8.068	$3.399	39.66	""
2014-11-04	310	7.916	$3.199	39.16	""
2014-11-11	310	7.916	$3.199	39.16	""
2014-11-20	304	7.284	$3.059	41.74	""
2014-11-28	274	6.951	$3.039	39.42	""
2014-12-05	235	5.555	$2.959	42.3	""
2014-12-11	317	7.519	$2.939	42.16	""
2014-12-17	316	7.839	$2.759	40.31	""
2014-12-24	266	6.526	$2.679	40.76	""
2014-12-31	262	6.677	$2.599	39.24	""
2015-01-06	286	6.993	$2.659	40.9	""
2015-01-12	289	7.205	$2.599	40.11	""
2015-01-24	324	8.069	$2.399	40.15	""
2015-01-30	300	7.304	$2.399	41.07	""
2015-02-06	318	7.658	$2.659	41.53	""
2015-02-13	265	6.402	$2.859	41.39	""
2015-02-19	298	7.187	$2.939	41.46	""
2015-02-25	300	7.182	$3.219	41.77	""
2015-03-02	281	6.702	$3.599	41.93	""
2015-03-10	285	7.284	$3.459	39.13	""
2015-03-16	299	6.719	$3.359	44.5	""
2015-03-21	277	6.924	$3.319	40.01	""
2015-03-27	224	5.629	$3.279	39.79	""
2015-04-01	230	5.483	$3.239	41.95	"First tank with 155/80R13 Kumho tires on stock steel rims. Performed smog inspection at the end of this tank. Adjusted ignition timing and idle speed. Ignition timing was set at 18 degrees BTDC. Specification is 5 degrees BTDC. I set timing at 8 degrees BTDC. Idle speed was set at 1150 RPM. I set idle speed at 850 RPM. ScanGauge is estimating a 10% increase in fuel efficiency and car has a few more HP."
2015-04-08	319	8.454	$3.199	37.73	""
2015-04-14	282	7.02	$3.139	40.17	""
2015-04-20	321	7.213	$3.199	44.5	""
2015-04-28	312	6.71	$3.559	46.5	""
2015-05-05	269	6.414	$3.759	41.94	""
2015-05-10	265	6.747	$3.879	39.28	""
2015-05-16	304	7.625	$3.999	39.87	""
2015-05-22	312	7.322	$3.959	42.61	""
2015-05-29	316	8.079	$3.899	39.11	""
2015-06-05	257	6.059	$3.679	42.42	""
2015-06-13	306	7.172	$3.539	42.67	""
2015-06-18	266	6.562	$3.539	40.54	""
2015-06-23	300	7.338	$3.499	40.88	""
2015-06-30	331	7.58	$3.499	43.67	""
2015-07-07	297	7.573	$3.499	39.22	""
2015-07-13	273	6.425	$4.099	42.49	""
2015-07-18	253	6.027	$4.199	41.98	""
2015-07-27	290	7.077	$4.099	40.98	""
2015-07-31	267	6.384	$3.959	41.82	""
2015-08-05	258	6.274	$3.859	41.12	""
2015-08-12	302	7.252	$3.739	41.64	""
2015-08-21	316	7.44	$3.659	42.47	""
2015-08-31	280	6.798	$3.499	41.19	""
2015-09-10	308	7.444	$3.399	41.38	""
2015-09-16	289	6.881	$3.199	42	""
2015-09-23	295	7.002	$2.899	42.13	""
2015-09-29	309	7.284	$2.979	42.42	""
2015-10-06	299	6.987	$2.939	42.79	""
2015-10-13	300	7.179	$2.939	41.79	""