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2002 Grand Prix GT N/A Build



when I had DIY cai,2.5'' downpipe, hv3, incar tune from overkill for 91 octane, I had no problem keeping up with gtp's I raced (only 2 gtp's). and beat my buddies SSEI bonneville from 60-110 mph by almost a car length.
 
Grimsin said:
when I had DIY cai,2.5'' downpipe, hv3, incar tune from overkill for 91 octane, I had no problem keeping up with gtp's I raced (only 2 gtp's). and beat my buddies SSEI bonneville from 60-110 mph by almost a car length.
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SSEI's are slower then GTP's so that's not a big surprise. Otherwise, a built NA L36 is going to struggle to beat a stock L67. Mine could do it, but just barely. Forced induction is so much better.
 
FWIW back in '04 my 95 Bonneville could beat stock GTPs with a GT1, PEMs, and a 3.06 FDR...

Stock GTPs aren't that hard to catch up to.
 


For the love of god some one buy the s1x na cam throw some 3.69 gears in and a 100 shot that would make a wicked daily for a NA car!
 
100 shot is more for the track then it is for a dd car lol.
i would cam if my wife would notice, rockers i could sneak in lol.
 
wannabegtp said:
Down the road i want to turbo it but right now i dont have the money and just want to do simple things. being that im a high school student making minimum wage i dont have a ton of money. but would it be better to custom build a turbo set up or to buy a kit like from zzp?
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If you're patient, you can do it rather cheap. I've got about 900 in my turbo stuff at the moment and that includes a billet wheel pt61, turbo crossover, downpipe setup, black off plate, wastegate perch, and I forget what else. But all I necessarily need now is injectors, springs, bov, and wastegate.
 


That muffler choice will make your ears bleed.

Some flowmasters on like a 67 chevelle would sound great but not on a grand prix. I can guarantee that all you will hear is the drone and if you don't you are either deaf or dumb.
 
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