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Thread: Bosch 772 manual fuel pressure regulator replacement

  1. #21
    Garrett booster
    Join Date
    Feb 2007
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    Mounds View, MN
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    130

    Re: Bosch 772 manual fuel pressure regulator replacement

    "The higher the number, the more lean you are running." That makes me feel better. Guess I need more boost, lol. Thanks!

  2. #22
    Hybrid booster
    Join Date
    Mar 2009
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    Tampa Bay
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    Re: Bosch 772 manual fuel pressure regulator replacement

    Quote Originally Posted by dr_amx View Post
    "The higher the number, the more lean you are running." That makes me feel better. Guess I need more boost, lol. Thanks!
    Remember the FPR is rising rate, so more boost means more fuel pressure. I do not claim to be incredibly knowledgable in tuning, but I think high 10s to low 11s isnt TOO rich. Hopefully someone with more experience will chime in.

  3. #23
    Supporting Member II Turbo Mopar Contributor 85lebaront2's Avatar
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    Dec 2005
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    Exmore, Va. USA
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    390

    Re: Bosch 772 manual fuel pressure regulator replacement

    12:1 is not lean, it is rich, 16:1 is lean.
    "growing old is inevitable, growing up is optional"
    1986 Lebaron convertible to replace totalled 85
    1986 Ford F350 Crew Cab DRW
    1995 Lincoln Continental (project car)
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