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vortech sc 3400 impala

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  • vortech sc 3400 impala

    this is my car...

    here is my garage page from... NAIOA http://www.naioa.com/v2/modules.php?...hicle&CID=1342

    This is the blower:


    I also have the w body brackets a wideband sensor a scangauge and everything i need except for rubber intake plumbing.

    The car is my daily driver so the goal is to be fun and safe. it has 63k miles and runs like a demon so im not getting rid of it any time soon. My mods right now are just a cold air intake downpipe and dual exhaust, before the supercharger goes in ill have a bigger throttle body and ported upper manifold.

    My question is how big is overkill for injectors? I would love to throw 28lb trailblazer ones in to avoid any headaches with the harness and what not, but i want to be sure i have way more fuel than i need before i even break ground with the stuff. Are there any other direct drop in replacements for the 3400 injectors? My car is a 2004. The pulley will max out at 8psi and supposedly dump out 80hp.

  • #2
    safe boost is usually 5-8PSI, and IIRC the 28# injectors are good for 5 psi...?

    Its runs!!!>>>Aint No 60* Sound Like Mehttp://youtu.be/YKEmNwa141U

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    • #3
      +1 28's are good for 5psi 36's for 8psi and anything above i would go to 42"s And of course it all depends on the cam and the purpose of the engine IMO there are alot of factors but i would say it the safe course to go with

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      • #4
        28s are good for about 250 whp on a turbo/SC safely, 36s are good for 330 whp. NA you can go more whp since you can run leaner NA than boosted. 5 psi on a 3400 is 250 whp? Stock is 143. Im gonna guess...no.
        Ben
        60DegreeV6.com
        WOT-Tech.com

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        • #5
          Thanks sappy. Will i need an adjustable fpr for the 28s?
          where is the best place for tapping the oil pan on one of these weapons?

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