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1998 Grand Prix GTP Bolt-on Upgrades
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01-13-2004, 07:36 PM
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kilroypr
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Re: 1998 Grand Prix GTP Bolt-on Upgrades
sgt 007:
I got the 3.4" for standard driving and a 3.0" trasher for track days. I was told that the reprogramming on the PCM(ECU) would take care of the smaller pulley for track days and the CAI also would help on that. What you think about this?
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