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Grand Prix This long running model has seen many changes, from a large RWD car, to a smaller RWD car, to a small FWD car, to a large FWD car, and with its available supercharged engines, and powerful V8s, it has never left the limelight as one of the most popular cars in America.

Supercharger PSI

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Old Sep 10, 2008 | 03:13 PM
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fri3dchick3n's Avatar
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Default Supercharger PSI
I have tried to find out what psi my supercharger is running at on my 99 GTP but I cannot find it anywhere, i was wondereing if anyone knows. Thanks.
 
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Old Nov 4, 2008 | 07:57 PM
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Default RE: Supercharger PSI
I'm not really sure about the older models, but I believe the series 3 motors run right around 7.7lbs of boost stock.
 
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