Thread: New User with '04 GTP Comp G

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  1. #1 New User with '04 GTP Comp G 
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    Hello All,
    I'm really excited about joining up with fellow Pontiac enthusiasts. I'm currently working for the US Army (not in the Army though) in South Korea, so parts, tech advice, a garage and/or decent mechanics are fairly hard to come by.

    The has quite a bit of mods, but lacking some very important ones. Such as a torque converter, fuel pump and injectors. My last dyno we had to tune it down a bit because I was pushing the injectors to the max and the torque converter was slipping between 1st and 2nd. I have a list of currently installed mods below.

    Can't wait to involved and see what else is out there!
    Mike

    Mods: Last Dyno - 305 hp at the wheels / 276 ft lb / 9.9 PSI
    Diamond Racing Ceramic Coated Aluminum Forged Pistons
    Comp Cams X-P CAM
    Comp Cams Hydraulic Roller Lifters
    Comp Cams High Load (130 lb)Valve Springs
    Comp Cams Hi-Tech Pushrods
    Rollmaster Double Timing Chain
    Thrasher 3.25" Supercharger Pulley
    MSD Blaster Ignition Coil Packs w/Autolite Copper plugs
    Dyno-Tuned PCM via/ HP Tuner at Wheel to Wheel Powertrain
    SLP Exhaust (all the way back): High-Flow Cat, Ceramic Coated Headers
    Low Temp Thermostat
    Motorsports Performance Cold Air Induction
    Thrasher Shift Kit
    Eibach Pro-Kit Lowering Springs
    19" Chrome Diablo Instinct Wheels
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  2. #2 Re: New User with '04 GTP Comp G 
    GXP Level Member boostedcompg's Avatar
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    the msd coils are junk ditch them for stockers...and something seems wrong with that tq number.....but i could be wrong. any how welcome. post some pics
    04 comp G, front/rear towerbraces, pacesetters, ported sc, LIM, 3.3 pulley, 1.9 mod rockers, Ls1 springs and retainers, custom dyno tune, 180 tstat, shortned dog bones, full poly mounts, zzp shift kit, custom fwi, 28inch cherry bomb, flowmaster 40's. 290whp 380wtq before the button. coldfusion n2o, 60 shot. I haz corvette brakezand gxp cluster! smgpfc028
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  3. #3 Re: New User with '04 GTP Comp G 
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    Thanks for the info. I suspected that the Torque seemed out of whack myself, but the numbers were pulled straight from the dyno at Wheel to Wheel Powertrain in Madison Heights, MI--a fairly well renowned shop.

    As for ignition coils, I had problems with them initially because of the heat (I had platinum plugs on too). After switching to copper though, seemed to be fine, but I'll consider scrapping after some tests.

    Thanks again for the info and welcoming me!
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  4. #4 Re: New User with '04 GTP Comp G 
    GTP Level Member 01gpgt01's Avatar
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    Nice setup. Welcome to the club!
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

    2009 Hummer H3 Solar flare premium
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  5. #5 Re: New User with '04 GTP Comp G 
    GXP Level Member boostedcompg's Avatar
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    might try going bigger pulley and running more timing. Might have something to do with it
    04 comp G, front/rear towerbraces, pacesetters, ported sc, LIM, 3.3 pulley, 1.9 mod rockers, Ls1 springs and retainers, custom dyno tune, 180 tstat, shortned dog bones, full poly mounts, zzp shift kit, custom fwi, 28inch cherry bomb, flowmaster 40's. 290whp 380wtq before the button. coldfusion n2o, 60 shot. I haz corvette brakezand gxp cluster! smgpfc028
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  6. #6 Re: New User with '04 GTP Comp G 
    I live here. MoarkatsINmuhtrailer's Avatar
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    yeah that torque number is odd lol but anywho welcome, i hope you enjoy yourself
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  7. #7 Re: New User with '04 GTP Comp G 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Nice mod list!

    Welcome to GPF!
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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