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3.4l dohc procharged

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  • 3.4l dohc procharged

    I have a 95 3.4l dohc with these mods

    p1sc 7psi superchager intercooled
    2 core hd 16" radiator
    light weight lifters
    mag wires
    ac delco plugs
    msd 2 post coils
    38 lb injectors
    3000 stall
    rebuilt tranny
    full ported everything
    underdrive pulley

    here is my problem I had the car finished and have ran it couple times but the old modified fuel pressure regulator took a crap. now the air fuel mix is off with the stock one.
    I need to get it down to Indiana. I don't have anything to tow it with, and I can't buy another modified fuel pressure regulator cause that was a one time deal and it ran a little to rich. I went to go drive it with the stock fuel pressure regulator and I was gunna start with a new fuel rail set up so i can get an adjustable one but done no where to start with i don't have my machinist tools anymore (aka got laid off no work). iIt will die and I'm not gunna mess it up by starting it lean. what you guys think. I need to get down to indi to get my computer tuned, should I just bypass it and put the stock intake back on and let the sc run freely or should I make a new fuel rail, one that will support an adjustable fuel pressure regulator for my car.
    Last edited by choppester; 04-28-2009, 03:32 PM.

  • #2
    Your stock should be able to run it no problem. I'm running 8psi with 42lb injectors on stock reg and stock fuel pump. It ran real rich till I tuned it out. T

    96 Z34 3.4 SC DOHC Getrag, 284 5sd manual transmission, stage 3spec clutch, 97 engine, 97 pcm, S3 intercooler 1 of 1 Roots SC LQ1 in the world 8.5 psi.

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