Grand Prix GXP - 12.378@117mph
11-15-2007, 09:52 AM
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Grand Prix GXP - 12.378@117mph I have a 06 Grand Prix GXP with the stock LS4 motor running the first and only Cartuning Turbo kit and the first time at the track I ran a 12.378@117mph on my last run on my stock 18" STREET tires 
We're running 10-11psi of boost and Alky on a T'netics T66 turbo. Next year we're going to try to get into the 11's on street tires then we'll put slicks on it and go for broke
We're running 10-11psi of boost and Alky on a T'netics T66 turbo. Next year we're going to try to get into the 11's on street tires then we'll put slicks on it and go for broke
