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Fuel Pump? 500whp

This is a discussion on Fuel Pump? 500whp within the General Help forums, part of the LSx Technical Help Section category; Ok, i have a 2004 pontiac GTO. LS1 Auto4. ok, ive just ordered my t70 turbo, and 60lb injectors. going ...

  1. #1
    Member JAX04's Avatar
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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    Fuel Pump? 500whp

    Ok, i have a 2004 pontiac GTO. LS1 Auto4. ok, ive just ordered my t70 turbo, and 60lb injectors. going for some around 450-500 whp. is a single walbro 255 intank gonna do the trick. do i even need to do and intank. can i add a pump. im looking for all possbile outs here. ive heard boost a pumps, inline pump, intank pumps. i dont know which is right. any thoughts plz. im not looking to grow in the future for power. maybe some day. years from now. ill do a real setup then on new motor and all. just dont know where to go from here with my fuel pump selection. and are 60's to big. will 42's work. i dont know. damn it im stupid

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    Member NoscamaroSS's Avatar
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    NBM
    2002 Camaro

    The 60's will work fine, a 255 walbro should be fine but if its having a hard time keeping up you could just add a boost a pump.
    02 Camaro
    PRC Stg 2.5 5.3's, Futral F14, PP Typhoon intake, True duals, Performabuilt tranny, & 3500 convertor, HSW plate kit.
    *Old Time* 10.90@ 125mph

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    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
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    Gonna need more than a 255 I would think since it is boosted.
    N/A can get away with it, boosted needs a little more.

    Will be close though.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
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    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

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    Member JAX04's Avatar
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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    you think the 255 and a boost a pump will do the trick then

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    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
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    Quote Originally Posted by JAX04 View Post
    you think the 255 and a boost a pump will do the trick then

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    515 HP TrickFlow Package BADASS2000SS's Avatar
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    440 RWHP / 410 TQ
    2000 SLP CAMARO SS

    You can also go with an inline pump and a FMU.That what I run now and I am at 440RWHP.
    2000 SLP Camaro SS M6 * 515 HP TrickFlow Package * FAST 92 MM Intake * Nick Williams 92 MM TB * Volant CAI * Granatelli MAF * Full Custom True Dual Exhaust with X-Pipe * Tuned by Breathless Performance

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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    FMU?

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    515 HP TrickFlow Package BADASS2000SS's Avatar
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    440 RWHP / 410 TQ
    2000 SLP CAMARO SS

    Quote Originally Posted by JAX04 View Post
    FMU?
    Fuel Management Unit - Increases fuel pressure.

  9. #9
    Member JAX04's Avatar
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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    aww. like a BAP or a magnavolt

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    Junior Member driftpin's Avatar
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    2000 Firebird Formula

    I would go with a twin 255 setup and just forget about it. Screw the boost a pump. One thing I've learned with boost is you may say right now you have no plans of upgrading for years but that can change quick if you come into some extra cash. Boost is very addictive. Just go with twins. Do it now and save yourself the time and $ down the road.

  11. #11
    Member JAX04's Avatar
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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    well, thats the truth, im looking for a 1998 vette to do all my boosting with and fun with. this is just to make the gto go. all my money's in the future will be spent on finding that vette and making her crazy

  12. #12
    Member JAX04's Avatar
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    PBM 366ci TC78 E85
    2004 Pontiac GTO PBM A4

    and besides, i wouldnt even know where to start with twins walbros. as far as installing them

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