FMU 12:1 too much?

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  • E30godz
    E30 Mastermind
    • Oct 2003
    • 1524

    #1

    FMU 12:1 too much?

    Much to everyones delight i bet! im ditching the extar fuel rail bullshit as i dont think i have to deal with mark anymore...Im looking at a set of 19# injectors with a 12:1 FMU...at 7 PSI thought this would mean...129 PSI (stock 45 psi (3 bar).....what do yall think...A site i was reading on actually recomended the 12:1 for 19 pound injectors to keep up with boost...any ideas?
  • skat 325is
    Wrencher
    • Oct 2003
    • 296

    #2
    12:1 is the way to go, it better to have the car running rich than lean, otherwise..pop goes the gasket or god help us something worse.

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    • E30godz
      E30 Mastermind
      • Oct 2003
      • 1524

      #3
      yea, i realize thats good for fuel....but thats a shitload of pressure for the fuel pump/fuel rail/injectors..just wanted to know if they could handle it.

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