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#16
08-04-2002, 01:25 AM
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Some good aftermarket gtp\gt stuff
www.zzperformance.com www.3800performance.com www.motorsportsperformance.com www.grandprixstore.com The gtp are governed via pcm at 128. 
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#17
04-09-2003, 01:00 PM
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ALSO....
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#18
04-09-2003, 05:18 PM
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i owned a GTP. unfortunatly i totaled it.
 i didnt have any upgrades but the sites above should help
__________________
 Done: 1969 Baldwin Camaro
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#19
06-17-2003, 01:45 PM
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I've made quite a few mods to my 2002 GTP since I bought it last September. I started with new stainless, high-flow mufflers, then did a Thrasher Cold Air set-up. Next I changed out the 3.8" supercharger pulley for a 3.4". Traded out the 195 degree thermostat for a 180. I had the u-bend in the exhaust replaced with a straight piece of pipe. The most recent mods have included tinting the glass and trading out the 16" Polished Torque Star wheels, and the shitty Goodyear banana peel for a set of 17" Borbet Type M wheels and BFG Comp TA tires.
The GTP has embaressed more than it's share of "sports cars." Nothing sucks worse than getting OWNED by a 4-door grocery getter!! 
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#20
06-17-2003, 04:42 PM
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I used to check out www.grandprixstore.com when I was driving GTP's and looked like I was going to get my Dad's beautiful bright red '98 GTP sedan (Before my sister mashed it!).
Stock 3800 supercharged V6's will do well over 140 Mph without the speed limiter.
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#21
06-17-2003, 06:30 PM
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The fastest I ever had my car was 145mph with rockers, 3.25 pulley, dhp, rt down pipe and cat with u-bend removed, borla cat back, and water injection. Thats where I decided it was enough I was still climbing but I did not want to push my tires. I have a few more supporting mods my quarter mile time is now at 13.65 with a 2.1 60ft. Stop laughing at my 60ft times im still learning.
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#22
06-19-2003, 06:58 PM
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I own a 1992 GTP. My top speed is 120, and yes, i've tested this limit.
 Only mods I have is an upgraded stereo system. I'm working on getting more money, I want to see about adding a supercharger or maybe a turbo. I'm not sure if either one will fit but it'd be nice. I'm also looking to get a cowl induction hood. That's going to be tough to find.
__________________
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#23
06-19-2003, 10:23 PM
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finally, another 92 GTP owner. some guy said the GTP wasnt made in 92 and somehow, I had one. heh, idiot.
__________________
Done: 1969 Baldwin Camaro
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#25
06-20-2003, 08:43 AM
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That red GTP is a damned good looking car!!!
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#26
06-20-2003, 09:02 AM
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omicron:
you said that you are thinking about getting a supercharger???? if you have a GTP you should have a supercharger on it already.. I think that there is just GTP tags on a GT. I might be wrong but I thought that all GTP's were supercharged.. am I wrong? I had a friend with a 4 banger Mustang that he put 5.0 stickers on... he was a DUMBASS....... it was funny though 
__________________
2000 Black 4 Door GTP 3.4" pully FWI 14.5 stock 2003 Red Accord Coupe V6 6-speed car-stats.com saies it runs 14.7
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#27
06-20-2003, 09:16 AM
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Quote:
Nope, the earlier GTPs had 3.4L DOHC engines. They were not S/C'd.
__________________
1999 Pontiac Grand Prix GTP (2dr) "Gold" Package ~drop in K&N ~3.4" pulley ~drilled 180º T-Stat ~Casper's cooling fan switch ~U-bend/Resonator removed Best 1/4: 13.58 @ 100.17 10/25/03 Best 60': 2.07 (stock RS-A's at 30psi) Best Dyno: 5/3/03 197.4fwhp/262.4fwtq Coming Soon.... turbo!!
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#28
06-20-2003, 09:39 AM
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This is a 3.4 TDOHC
or... Twin Dual Overhead Cam. Just means 4 controls per cam instead of 2. Not a big deal, just more parts to break. right? lol Thanks for the compliment on my car.
__________________
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#29
01-14-2004, 06:17 PM
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04 GTP w/ Comp G. Top spped - 142 MPH
Without Comp G -125 MPH. Due to tire rating. Comp G v Rated tires top spped 148 MPH, therefore governed Non Comp G H rated tires 130 MPH, definitely governed because of tire limitations. Extremly torquey, especially off the start and excellent top end too. S/C kicks in at any speed. In comparison, my ex-leased Intrepid R/T had no limiter with V rated tires but the speed was arrestede due to drag limitation. Slow off the start. GTP kills it however once moving, say 50MPH, the R/T is quick. Danny 04 GTP Comp G, loaded, Galaxy Silver (and loving it)
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#30
01-15-2004, 12:00 AM
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Re: Any GTP owners?
Well, when mine was stock the best I could make out of it was 120mph. After the PCM(ECU) and other things were changed I was able to push it up to 145mph and the car still was pulling but at the moment I made my point and did not push it further. I have raced Honda's and they are quick but not as quick as my GTP even Integras with Japan Spec moded engines and funny looking vinyl on their sides have been smoked easly by my family sedan. CarnutCass calls them the Grocery Getter from Hell I would humbly call it family sedan.
A CAI and maybe an intercooler are on the way so less possible any honda or Mitsu will get by me...
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