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Thread: Fuel pressure

  1. 03-20-2012, 07:12 PM #1
    DaBlueSquirrel
    DaBlueSquirrel is offline Junior Member
    Join Date
    Feb 2012
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    2

    Default Fuel pressure

    I have my car tuned and it runs very well, however the i replaced a broken fuel gauge today to realize that the car was tuned on Base fuel pressure of 20PSI.. no good. i turned it up to 43PSI (Base) and it idles and runs GREAT except when it comes into boost. Can I just change the Injector Scaling or will I have to go through the entire tune again?

    The only change was a 23PSI increase in Fuel pressure.
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  2. 03-22-2012, 05:06 PM #2
    GRawSTI
    GRawSTI is offline Member
    Join Date
    Nov 2009
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    Default

    You could change the scalar, but you probably won't be able to get it exactly right. If it was running just fine on the base 20 PSI, I would just leave it alone...
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