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Thread: Injector size question

  1. #1
    SCH Member
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    Injector size question

    I have a set of 56 pound low impedance injectors with my PMS, should I install them with the PMS or just leave the 36ers. Would there be any advantages........? Disadvantages.........?
    93 LX Convertible, Saleen body kit & decals, Balanced 306, B303, 1.7rr, TRW Forged pistons, Explorer intake, GT40p heads,Head studs, 70mm T.B,

  2. #2
    Junior SCH Member
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    injectors

    i would run them,but what are u running for fuel system?aftermarket fuel system ?rails, lines,pump etc...you wouldnt get
    much avantage with stock fuel rails lines in tank pump?
    90 linclon mark vii
    engine
    342, dart block,crower billet crank, olivier rods, je custom pistons 8to1 compression,cometic head gaskets,

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    crane roller 1.6 roller lifters,manely custom pushrods,
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    ys trim vortech blower
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    bassani 1 3/4 shorties, 3"mac pro chamber, 3"pro dumps,

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    areomotive fuel system,
    custom sumped tank.

  3. #3
    Senior SCH Member
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    anything over 50 lbs is generally low impedence unless specified otherwise. you will need the low inpedence driver which is another 200-300
    --
    93 GT

  4. #4
    Senior SCH Member
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    Yea without rails those big injectors will suck your stock rails dry. Untill you get a good fuel system I would stick with the 36s. I'm about to start the install of my fuel system with some 55lb injectors. I already have my low impedence driver here ready to get wired up.

    Troy
    1995 Mustang Cobra
    302-10.77 @ 127.76
    new motor being built
    redsnk@yahoo.com

    owner/moderator
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  5. #5
    Senior SCH Member Brcuda's Avatar
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    Hmmm

    I hear someone is making 55lb injectors that are high impedance and works with your stock computer.
    393 stroker with YS-trim Vortech :-)

  6. #6
    SCH Member
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    I have a low impedance driver . I was running stock rails, 255 in tank, and rail mount(t-rex style) pump(actually the external pump didn't change anything it just taxed my charging system and made noise,I bought it used.. I do have vortech rails though that I just need some fittings for. Sitting in the shop.
    93 LX Convertible, Saleen body kit & decals, Balanced 306, B303, 1.7rr, TRW Forged pistons, Explorer intake, GT40p heads,Head studs, 70mm T.B,

  7. #7
    Senior SCH Member
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    Re: Hmmm

    Originally posted by Brcuda
    I hear someone is making 55lb injectors that are high impedance and works with your stock computer.
    Yea sieman deka has some 55lb high impedence injectors. I just think low impedence injectors are easier to control. Acceleronics also have a low impedence driver for guys using a stock EEC.

    Troy
    1995 Mustang Cobra
    302-10.77 @ 127.76
    new motor being built
    redsnk@yahoo.com

    owner/moderator
    http://www.stangtuning.com

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