Thread: superchips programmer/ worse gas mileage
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Old 10-29-2003, 11:54 PM
steve s steve s is offline
 
Join Date: Oct 2003
Location: eureka ca usa
Posts: 7
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I changed my settings to performance with the superchips programmer and although I saw increased performance my gas mileage went from 9.7 to 7.6. Is this common? i thought the mileage would improve?

steve schick
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