1
Feb

without a custom tune it is 113 if a custom tune is applyed it could be as high as 140


Answer:
I'm not sure with a GT, but the 140 said already might be close
You can't really answer the question without a lot more info…
Is it stock, top swapped with a supercharger off a GTP, turbo'd?
You can find many online shops that sell aftermarket parts for your vehicle with a swift search.
ZZPerformance is 1 place…
You'll get a lot more info on Grand Prix Forums than you’ll with Yahoo “answers”
No “GM Mechanic” is going to help you “tune your car”, join the forums!

This entry was posted on Monday, February 1st, 2010 at 10:45 pm and is filed under Pontiac. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or TrackBack URI from your own site.

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