Thread: what for mods should be done first?

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  1. #1 what for mods should be done first? 
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    i plan on gettin a 98 pontiac gp gtp with 182k on the clock it just needs a steering rack.

    i plan on making it my own as no vehicle i own is stock my question is what should i do and dont do u just say yes or no

    im gonna change all fluids asap from AT to Supercharger oil and diff

    180* t stat

    straight pipe/s

    3.5-4 pulley

    intake

    any other suggestions are welcomed
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  2. #2 Re: what for mods should be done first? 
    The Blue One blueguy's Avatar
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    Yeah.

    Suggestion: research.

    Here, http://www.grandprixforums.net/safel...0-a-67580.html
    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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  3. #3 Re: what for mods should be done first? 
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    yea i did read that itss pretty informative even a dummy can figure it out
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  4. #4 Re: what for mods should be done first? 
    The Blue One blueguy's Avatar
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    Well then, you should know that straight pipes do nothing then, right?

    And that colder temp thermostats do nothing unless you've got a tune.
    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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  5. #5 Re: what for mods should be done first? 
    GXP Level Member Grimsin's Avatar
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    you need to read it again, 3.4-3.5 puller with no exhaust mods (like blue said straight pipes do nothing) is going to make your engine go ,
    at least get tune done..

    3.8l N/A POWA! :4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
    My Car:http://www.grandprixforums.net/threa...2005-Impala-LS
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  6. #6 Re: what for mods should be done first? 
    I live here. Slick2500's Avatar
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    Get ready for your car to sound like ass.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
    Quote Originally Posted by The Sunfire Guy
    Superchargers take away horsepower
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  7. #7 Re: what for mods should be done first? 
    GXP Level Member txslow6's Avatar
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    Trans and suspension would be the first thing to do. Power is pointless if you can't put it to the ground.
    85 Corvette
    01 TA
    03 Z06
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  8. #8 Re: what for mods should be done first? 
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    Not to mention these trannys don't have differential fluid.
    GPONA #1 Cyber Bully
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  9. #9 Re: what for mods should be done first? 
    GTX Level Member dbextreme's Avatar
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    In this case, first mod..... Driver...

    Research, research, research...

    180* t stat - Have to have a tune or your motor will actually cool less efficiently

    straight pipe/s - Unless you straight pipe from the manifold back, but it will sound like Honda mating with a donkey...

    3.5-4 pulley - Not without supporting mods

    intake - Won't have any real gains other then you'll hear the blower whine more, unless you do a fenderwell intake

    How much money do you have to spend??? $50, $200, $1,000.... What do you want to accomplish? For the price of a downpipe (new) you can put a little more money with it and get full blown headers. That's mod 2.
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  10. #10 Re: what for mods should be done first? 
    GTP Level Member buck531's Avatar
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    03 GS - SSAC, AEM wb, PT,SR rockers, Gen 3, 3.4, dynotech trans w/ 3.29's.

    87 Fiero GT. L67 Swap. XP, ported heads/sc. N* TB, FSIC, 2.8, 12.018 @ 113 1.71 60'.
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  11. #11 Re: what for mods should be done first? 
    GTX Level Member Sudden's Avatar
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    I did a 3" downpipe and a PCM first. Makes a quick improvement pretty cheap. Unless you plan to go to headers soon, then do that and don't waste money on a downpipe for the manifolds. Don't do a pulley with out doing some supporting mods first.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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