1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

gas milage per tank

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Old Dec 8, 2005 | 12:23 AM
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I have been getting about 260 per tank on my 94 148k miles. Which calculates out to about 18 mpg. Cold weather, mixed driving and remote start. So not real good but OK for now.
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Old Dec 8, 2005 | 08:23 AM
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Originally Posted by BillBoost37
Nice comment for a faimily content site. Please change it.
Didn't mean to offend anyone. Especially since that word (and others) appears hundreds of times elsewhere on this site.
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Old Dec 8, 2005 | 09:38 AM
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Originally Posted by brnvs
Originally Posted by BillBoost37
Nice comment for a faimily content site. Please change it.
Didn't mean to offend anyone. Especially since that word (and others) appears hundreds of times elsewhere on this site.
You really didn't..I was tired, grumpy and didn't think it needed to be there. Thanks

On the gas mileage...remember everyone..fuel mixtures are changed for summer and winter depending on where you are located. Plus the added fuel consumption when your car is cold.
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Old Dec 8, 2005 | 09:43 AM
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Billboost- do you change your oil for the winter months as well? i believe it'* recommended 10w30 but i hear for winter many switch....
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Old Dec 8, 2005 | 09:55 AM
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Only thing I do is change it regularly every 3K miles. I don't make a point to change to 5w for colder weather. It doesn't get below zero here enough to warrant me being concerned with it.
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Old Dec 8, 2005 | 05:01 PM
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I average about 33-35 MPG highway, in the city it is like 12 just b/c I'm flooring it every light with a 2" pulley. That wine is just so addictive with a 2" pulley on it! It usually works out to about 350 miles a tank. This is on a car with no EGR, 3 range colder plugs, 160* t-stat, and spinning a 2" pulley.
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