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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 mileage

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Old 01-02-2006, 12:06 PM
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30 or so on both cars on long trips if I keep it at 75 or under.
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Old 01-02-2006, 03:15 PM
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I get about 22 in the city and between 28-30 on the highway.
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Old 01-02-2006, 03:28 PM
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30 - 31 mpg all highway on my 96 last summer.
Around town in winter is lousy.
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Old 01-02-2006, 03:30 PM
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31'* my best
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