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Thread: anyone running 42's

  1. #1
    SCH Member
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    anyone running 42's

    and a fmu ??????????
    93 cobra#256 witha noisy alternator

  2. #2
    SCH Moderator Hustler's Avatar
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    i did on my old setup. Bosch 42's with a vortech fmu 4:1 disc. Ran fine.

  3. #3
    Long Time SCH Member Doug's Avatar
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    Re: anyone running 42's

    Originally posted by 93 red snake
    and a fmu ??????????
    Thats alot of fuel under boost. What engine mods do you have? That sounds a little excessive.
    Doug
    14-1 compression 402ci with a little nitrous

  4. #4
    SCH Member
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    low comp 306 8.5 to 1, brodix st50 heads from bennet racing, lunati cam .530/.540 284/292, ported cobra upper and lower, pro-m 75, long tube's off road h-pipe 2.5 flows, dss main support and windage tray, canton 7 qt pan, msd 6al with btm, blaster coil, 30# injectors and vortech sfmu, novi 2000 8# of boost. my question is with 42# injectors would it be possible to lower fuel pressure for idle and drivability purposes and use a fmu to raise pressure for the top end. no place close to here to get a dyno tune done. also with the 30's right now my car is super fat at idle! it's not pulling any codes and everything seems to be in order. i can't figure this out. fuel pressure is at 36# with the line off.:bang:
    93 cobra#256 witha noisy alternator

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