Convinced my dad to start working on the Grand Prix... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-08-2003, 02:15 AM   #1
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Default Convinced my dad to start working on the Grand Prix...

... well the title pretty much says it all. My dad has a 2002 GTP and we are going to start to do a few performance mods to it. We're thinking Thrasher CAI, remove U-bend, and a smaller pulley for starters. I just thought that I would post it, anyone got more advice?

Oh yeah, I told him that they were all mods to help increase his MPG...
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Old 11-08-2003, 03:30 AM   #2
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2 of those will increase his mileage. The pulley may slightly hurt it, but not noticeable. A 180 stat is suggested before any of that, and possibly a transmission cooler, as well.
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Old 11-08-2003, 10:42 AM   #3
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I thought that the GP already had a cooler t-stat, is it the same as the bonneville?
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Old 11-08-2003, 01:50 PM   #4
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My bet would be a 195.
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Old 11-08-2003, 05:14 PM   #5
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OK, well that will be on the list for the bonne and the GP, is the 180 t-stat on PFYC drilled?
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