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Thread: injector question for LQ9 upgrades

  1. #1
    Join Date
    Aug 2009
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    injector question for LQ9 upgrades

    Well finishing up my new project 2001 2500HD 6.0 just dropped in a LQ9 short block with some PRC ported 243 heads 11.1 compression comp 220/220 .580 cam, headers and all the normal bolt-ons plus a 3000 converter getting ready to throw the top end on and started thinking stock injectors are most likely not going to be enough ? whats a good drop in injector upgrade ? don't wanna mess with adapters and cutting up the harness unless I really have to ?

  2. #2
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    NP and others sell at 42lb one that's plug and play. And leaves room to grow
    Slowest in Oklahoma...

  3. #3
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    Quote Originally Posted by ecld_07 View Post
    NP and others sell at 42lb one that's plug and play. And leaves room to grow
    +1
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  4. #4
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    Aug 2009
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    I was thinking what about the 8.1 injectors ? I actually have a set laying around will they work ?

  5. #5
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    Aug 2009
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    I dont think this truck will grow much more, my other truck is my toy 418 with ls3 top end and a 200 shot

  6. #6
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    if you built that then the injector question is easy. lol why ask? whats it run anyway?
    Slowest in Oklahoma...

  7. #7
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    Aug 2009
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    its carbed I gave up on the ls3 intake swap and put the edelbrock carb ls3 victor JR on it and an AED 850 carb the 418 engine short block is originally out of my camaro. In the truck it runs 11.80's na and Ive been having fuel trouble on the nitrous I had to make a return line to avoid pressure creap on the nitrous fuel line cause it has its own fuel system and tank.

  8. #8
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    Quote Originally Posted by 3timeracin View Post
    its carbed I gave up on the ls3 intake swap and put the edelbrock carb ls3 victor JR on it and an AED 850 carb the 418 engine short block is originally out of my camaro. In the truck it runs 11.80's na and Ive been having fuel trouble on the nitrous I had to make a return line to avoid pressure creap on the nitrous fuel line cause it has its own fuel system and tank.
    That's a nice setup it sounds like. Any pics? What kind of drivetrain you got behind it?
    Slowest in Oklahoma...

  9. #9
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    Quote Originally Posted by ecld_07 View Post
    That's a nice setup it sounds like. Any pics? What kind of drivetrain you got behind it?
    +1 lets see it sounds like fun
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  10. #10
    Join Date
    Aug 2009
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    25
    no pics of the truck yet Ill get some this week at street night at the track but heres
    my new topend for the camaro for the 440 LSX

    camaro with 418 injected

    camaro with 418 carb

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