walbro prime fuel psi fall of???? - FirebirdV6.com/CamaroV6.com Message Board

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  • walbro prime fuel psi fall of????

    i know this is the loungs but i need few fast/correct ansrews

    i installed the walbro and when i prime it the fuel psi fals from 45 to like 12 really fast......... is that normal ?

    i have the corrigated hose and such and it has 2 clamps on the top and the pump was one tight so i only used one clamp

    when motor is running or under boost the fuel PSI stays vary steady? 46 at idle
    www.turbov6camaro.com
    1997 3800 Series II Camaro
    4600 Stall for my ride to the mall :chug:
    7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
    11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

  • #2
    my psi is about 43 at idle with the walbro, I never see a really fast drop down that low. But then again, I don't have a built motor or anything to make a good comparison.
    http://www.bowtiev6.com/

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    • #3
      Originally posted by 97rs4life:
      my psi is about 43 at idle with the walbro, I never see a really fast drop down that low. But then again, I don't have a built motor or anything to make a good comparison.
      it drops off in like 10 seconds
      www.turbov6camaro.com
      1997 3800 Series II Camaro
      4600 Stall for my ride to the mall :chug:
      7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
      11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

      Comment


      • #4
        That's not normal at all. My FP is dropping too but not as bad as yours.

        1998 Firebird . 1989 Firebird XS . 1986 Fiero GT

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        • #5
          ok replaces it with 5/16 fuel inejction hose hold fine now [img]smile.gif[/img]
          www.turbov6camaro.com
          1997 3800 Series II Camaro
          4600 Stall for my ride to the mall :chug:
          7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
          11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

          Comment

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