Thread: Need Help Upgrading '04 Grand Prix GTP

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  1. #1 Need Help Upgrading '04 Grand Prix GTP 
    SE Level Member hinkaj02's Avatar
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    Ok guys I just bought my 2004 Grand Prix GTP Comp G and really want to upgrade the engine and allow it to hang with my buddies stock 1998 z28, which is putting out around 350hp maybe. Anyone have any ideas about what i should put into it. Looking to spend a max of $2,000 possiblly and dont want to get into rebuilding parts.

    Wanted to put in cool air intake, 3.4 pully, PRJ Performance Ignition Wires, Dual QTP Electric Exhaust Cutouts, and I dont know if it will add anything but the Inferno hood from PFCY.

    Any ideas would be apreciated.
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  2. #2 Re: Need Help Upgrading '04 Grand Prix GTP 
    TDCRacing
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    Since you mentioned a majority of the parts that I sell i'll go ahead and step in.


    I have the plug wires and the cold air intake. All at prices that are much less than anywhere else.

    http://www.grandprixforums.net/f49/t...res-16389.html - Exact same as PRJ

    http://www.grandprixforums.net/f14/o...ing-12730.html


    If you have any questions be sure to let us know. Do you have a goal for the car?



    Welcome to the community.
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  3. #3 Re: Need Help Upgrading '04 Grand Prix GTP 
    DUI BABY Bio248's Avatar
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    40479
    why do you want a cutout, let alone more than one?

    id buy an intercooler right away and be done with it. maybe a downpipe to open up the exhaust a little.
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  4. #4 Re: Need Help Upgrading '04 Grand Prix GTP 
    SE Level Member hinkaj02's Avatar
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    I want it to be in the low 13's or mid 13's. Was thinking about a 3800 performance staging kit but seeing as everyone is against them not sure anymore. Also might be buying those plugs in the near future. Not sure about your intake because it says 97-03 not '04.
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  5. #5 Re: Need Help Upgrading '04 Grand Prix GTP 
    SE Level Member hinkaj02's Avatar
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    want the cutouts bc i like the noise but i dont know if i want to hear an exhaust in the the morning when driving to work.
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  6. #6 Re: Need Help Upgrading '04 Grand Prix GTP 
    TDCRacing
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    Quote Originally Posted by hinkaj02 View Post
    I want it to be in the low 13's or mid 13's. Was thinking about a 3800 performance staging kit but seeing as everyone is against them not sure anymore. Also might be buying those plugs in the near future. Not sure about your intake because it says 97-03 not '04.


    Cool. We offer intakes for the 04+ It's just got a section cut out to allow the MAF to go inbetween.
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  7. #7 Re: Need Help Upgrading '04 Grand Prix GTP 
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    buy an intercooler ^ he sells them!! best mod for the money then you will be keepin up for sure.
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  8. #8 Re: Need Help Upgrading '04 Grand Prix GTP 
    DUI BABY Bio248's Avatar
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    buy an intercooler, get a tune, and run whatever pulley you can get away with when you run about 18* of WOT timing. that will have you in the lower 13s for sure.

    and for the record, youre only going to need one cutout. its impossible to run two.
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  9. #9 Re: Need Help Upgrading '04 Grand Prix GTP 
    The Blue One blueguy's Avatar
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    77762
    Stage kits are stupid. Stage 2 Intercooler, 42.5# Injectors, Some sort of headers, Intake, 180* T-Stat, Autolite 104's, 3.0" pulley...then get ready to put a transmission in.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  10. #10 Re: Need Help Upgrading '04 Grand Prix GTP 
    SE Level Member hinkaj02's Avatar
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    thanks for all the info guys, i think im going to look into a intercooler, pulley and a intake.
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  11. #11 Re: Need Help Upgrading '04 Grand Prix GTP 
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    DONT BUY A CUTOUT on these cars ive tried GARBAGE unless turbo'd (i miss mine)

    but def do a full IC, rockers, maf, intake, headers, you'll need fuel rails (prj ftw), umm throttle body turn down, wideband, 3.0 or 2.8 pulley
    i used to have the same setup and could have done the 2.8 with no problem (but i also added a nice little cheater ice box in the truck!
    i have a 04 gtp as well!
    ill be doing the same setup again
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  12. #12 Re: Need Help Upgrading '04 Grand Prix GTP 
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    and we have the gen5 phenolic intercooler for you too.
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