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  1. #1
    Matatan tocullo's Avatar
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    Rrfpr boost line??

    The boost line on the rrfpr does it need to be hook up? What are the pros and cons?

    Thanks Andy


  2. #2
    dnielsen's Avatar
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    Quote Originally Posted by tocullo View Post
    The boost line on the rrfpr does it need to be hook up? What are the pros and cons?

    Thanks Andy
    If it isnt hooked up the RRFPR becomes an adjustable FPR without the RR. You dont get the 1:1 rise in fuel pressure as boost increases.

  3. #3
    Matatan tocullo's Avatar
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    Quote Originally Posted by dnielsen View Post
    If it isnt hooked up the RRFPR becomes an adjustable FPR without the RR. You dont get the 1:1 rise in fuel pressure as boost increases.
    Let me understand, with out a fuel controller it is a most to have it hook up. Does that make sence?

    Thanks

  4. #4
    home of the dislexic fingers breon's Avatar
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    depends on your set up if it is needed..

    what it does is it increases the fuel pressure 1 psi with every 1 psi of boost it sees ..by increasing the pressure to the injecotr the injector will deliver more fuel as the boost increases but not affect you idle mid range ad cruze..basically it adds a little more fuel when you go to a little bigger charger..

  5. #5
    szt8b7's Avatar
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    Mine was too rich at WOT with it hooked up. If I leaned it out I was too lean at idle and mid so I just blocked it off and have good numbers. Just a "try it and see" kind of thing.

  6. #6
    MSRXP's Avatar
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    Quote Originally Posted by szt8b7 View Post
    Mine was too rich at WOT with it hooked up. If I leaned it out I was too lean at idle and mid so I just blocked it off and have good numbers. Just a "try it and see" kind of thing.
    Idle doesn't matter. There is no load on the engine.

  7. #7
    Eastside Powersports Slow 91's Avatar
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    Quote Originally Posted by szt8b7 View Post
    Mine was too rich at WOT with it hooked up. If I leaned it out I was too lean at idle and mid so I just blocked it off and have good numbers. Just a "try it and see" kind of thing.
    where was your fuel pressure (key on) with the line hooked up?

    whats it now without the boost line?

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