Car falls flat on its face at ~5000 rpms in boost?

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  • Liam
    Mod Crazy
    • Mar 2009
    • 753
    #16
    Other possibilities:

    Are you using a stock fuel pressure regulator? They kind of really don't work right at all for + atmosphere.

    Stock internals of the M42s wont take to boost to well either could be detonation.
    I'm Not Right in the Head | Random Rants and other Nonsense1st Order Logic Failure: Association fallacy, this type of fallacy can be expressed as (∃x ∈ S : φ(x)) → (∀x ∈ S : φ(x)), meaning "if there exists any x in the set S so that a property φ is true for x, then for all x in S the property φ must be true".

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      • Danny
        Moderator
        • Feb 2008
        • 14216
        #17
        Originally posted by Liam
        Other possibilities:

        Are you using a stock fuel pressure regulator? They kind of really don't work right at all for + atmosphere.
        Yes stock 3bar regulator.

        Stock internals of the M42s wont take to boost to well either could be detonation.
        Repost.

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          • blueapplesoda
            E30 Mastermind
            • Dec 2005
            • 1904
            #18
            I've been running my 3bar bosch stock fpr for 2.25 years through Vortech FPR's, 16 psi of boost, and all sorts of abuse, and it still works fine....

            All-Red/MHW style Professional Tinted Tail lights
            PnP EMS, fuel injectors, wideband o2 systems

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              • Danny
                Moderator
                • Feb 2008
                • 14216
                #19
                Turned out to be a bad coilpack.

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                  • Tchao
                    Wrencher
                    • Apr 2007
                    • 223
                    #20
                    Originally posted by Liam
                    Are you using a stock fuel pressure regulator? They kind of really don't work right at all for + atmosphere.
                    And how is that?

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