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  • Fuel return line.

    Are the fuel return lines on the frame rail the same on a coupe and a Gt?

    Mine Is smashed closed and looks to have been for awhile.

    With it Closed, that would just boost fuel pressure up ALOT right?

    Where does the fuel go?

    320rwhp. 7.67 @ 90mph 1.7 60'

    DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq

  • #2
    it feeds back into the tank. sounds like someone didnt want to invest in a fpr.

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    • #3
      Originally posted by QIK46 View Post
      it feeds back into the tank. sounds like someone didnt want to invest in a fpr.
      Kid smashed it on a lift at school a few months back.

      Just now catching it.

      320rwhp. 7.67 @ 90mph 1.7 60'

      DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq

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      • #4
        Originally posted by 91CoupeMike View Post
        Kid smashed it on a lift at school a few months back.

        Just now catching it.
        How the fuck did he manage that...

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        • #5
          Originally posted by JimD View Post
          How the fuck did he manage that...
          Looks like the lift pad slipped off the rail and onto the lines.

          I got it fixed as good as I can without repairing it.

          I cant replace the whole lines because of my subframe connecters.

          320rwhp. 7.67 @ 90mph 1.7 60'

          DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq

          Comment


          • #6
            Its a return line. Just cut it and flare both ends and install some rubber hose and some good clamps. Should be about 5/16 or so. It has very little pressure compared to the feed line.

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            • #7
              Originally posted by 91CoupeMike View Post
              Looks like the lift pad slipped off the rail and onto the lines.
              Rookie

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              • #8
                Are you experiencing fuel pressure problems?
                Ring and pinion specialist

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                • #9
                  Originally posted by greenbullitt View Post
                  Are you experiencing fuel pressure problems?
                  Havent checked, but it's running alot better

                  320rwhp. 7.67 @ 90mph 1.7 60'

                  DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq

                  Comment


                  • #10
                    Originally posted by 91CoupeMike View Post
                    Havent checked, but it's running alot better
                    I would check fp, if its not affecting it, I wouldnt sweat it
                    Ring and pinion specialist

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