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Old 10-04-2011, 09:07 AM   #10
Lethal Racing
 
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Drives: LSx Performance Specialist
Join Date: Jul 2011
Location: Lafayette, LA
Posts: 517
Nick is right. A tune can do a lot for these cars. My L99 stock was getting 11mpg in the city...NOT driving hard at all. After I putting a tune it went to 14. Most of the cam cars will get 21-24 on the HWY.
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