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Thread: FPR and return.

  1. #51
    Formerly "Adm_rsx"

    PetefromtheStreets's Avatar
    Join Date
    Apr 2011
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    1 (100%)
    Stock fuel pressure is around 40 psi correct? So I would set new regulator to that pressure. I have a thing about not having things tested before hitting the tuners floor. Because "what if" issues are quite common.

    I can't guarantee that your current map would be ok for the new motor but that's where I always start out at anyways. If you've put cams in then that will change idle and such for sure.

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    Tire slayer
    Breaking everything since 2011

  2. #52
    Junior Member
    Join Date
    Jan 2014
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    Staying stock cams, it's just as you say, a good start.

    Got AFR gauge and will log it to check anyway. And only run on low boost to run it in.

    Yeah I'm gonna measure stock pressure on my gauge and then replicate that pressure post fitting.

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