Fuel pressure question

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  • Top Down 352 Stroker
    TCS Homer
    • Jan 2012
    • 527

    Fuel pressure question

    Ok on my 88 fox 352 stroker, 24 lb injectors 80 mm mass air, 75 mm t body. What should I run for fuel pressure about? Having problems with runnability. Pretty sure its not getting enough fuel now. It has a brand new 255 walbro in it. Anyone have any info?
  • Top Down 352 Stroker
    TCS Homer
    • Jan 2012
    • 527

    #2
    Does 38 sound right?

    Comment

    • Odrapnew
      Everyone likes being blown.
      • Aug 2003
      • 2880

      #3
      Is it running bad all the time? A factory pressure regulator is 39psi with the vacuum line off. Is your reading with the line off?

      Comment

      • Top Down 352 Stroker
        TCS Homer
        • Jan 2012
        • 527

        #4
        Um not sure, my buddy was doing the checking. We put my aeromotive adjustable regulator on last night. It runs fine when cold most of the time but when warms up starts popping back through the intake and sometimes starts to ping. Havent tried to see if anything has changed yet. Mad box and dist. will be going in it this weekend too. Oh ya at higher rpms it comes out of the crappy running and seems to run better.

        Comment

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