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fuel upgrade

This is a discussion on fuel upgrade within the General Help forums, part of the LSx Technical Help Section category; I'm dropping a 404 stroker with ported/milled 241 heads, 238/242 cam, and pro flo XT intake into my 04 GTO ...

  1. #1
    cutting and welding mark21742's Avatar
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    hugger orange
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    fuel upgrade

    I'm dropping a 404 stroker with ported/milled 241 heads, 238/242 cam, and pro flo XT intake into my 04 GTO and looking at going with 42lb or 60lb injectors.

    Might be adding a big shot of n2o in the future.

    Will my stock fuel system handle this, and if not what fuel pumps/ mods do you guys recomend?

  2. #2
    Member NoscamaroSS's Avatar
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    2002 Camaro

    A single granatelli 255 should work just fine. I would suggest sending your factory injectors off to Fuel injector connection and having them rebuild your stock ones and they can upsize them to something like 50lbs.
    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

  3. #3
    cutting and welding mark21742's Avatar
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    Quote Originally Posted by NoscamaroSS View Post
    A single granatelli 255 should work just fine. I would suggest sending your factory injectors off to Fuel injector connection and having them rebuild your stock ones and they can upsize them to something like 50lbs.
    Called them, $22 an injector ($176 a set) to have them redone. That is a great price!

  4. #4
    TJEA Retirement Home Dr.Crash's Avatar
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    When i did my swap, i drop in a racetronix kit and its been awesome. I've got just over 60PSI at the rails at WOT. easy kit to install. keep us updated

  5. #5
    Member NoscamaroSS's Avatar
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    Quote Originally Posted by mark21742 View Post
    Called them, $22 an injector ($176 a set) to have them redone. That is a great price!
    Definately cheaper, plus they are easier to tune.

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