Fuel Pump Install - NCRS Discussion Boards

Fuel Pump Install

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  • Jeff P.
    Very Frequent User
    • July 31, 1989
    • 799

    Fuel Pump Install

    It's been a while ,so I learn. Any method of stopping gas flow would be of help. I thought it would eventually stop but it "keeps on comin". Thanks, Jeff
    68 L79 Convertible: Triple Black: Work In Progress, Body off. Now on!
    2014 Arctic White Z51 Vert. (Wifes)
  • Kent S.
    Very Frequent User
    • February 1, 1993
    • 203

    #2
    Re: Fuel Pump Install

    Just did this on my '63. Needle-nose vise grips with some padding - clamped it back by the gas tank, so there was some gas from the line when I removed the line at the pump, but not much (could have clamped it at the pump, but things are pretty tight in that area). As you've discovered, if you don't clamp it someplace, you'll empty the tank when you disconnect the hose.

    Comment

    • Joe L.
      Beyond Control Poster
      • February 1, 1988
      • 43221

      #3
      Re: Fuel Pump Install

      Originally posted by Kent Schoneman (22231)
      Just did this on my '63. Needle-nose vise grips with some padding - clamped it back by the gas tank, so there was some gas from the line when I removed the line at the pump, but not much (could have clamped it at the pump, but things are pretty tight in that area). As you've discovered, if you don't clamp it someplace, you'll empty the tank when you disconnect the hose.
      Kent and Jeff-----


      Yes, the bottom of the tank in every 1963-74 Corvette is higher than the fuel line so if the line is open at any point, the fuel will just gravity flow until the tank is empty. The same thing will happen if the diaphragm in the fuel pump fails.
      In Appreciation of John Hinckley

      Comment

      • Daniel S.
        Very Frequent User
        • February 1, 2000
        • 164

        #4
        Re: Fuel Pump Install

        Hose clamp around a bolt that is the same ID as the fuel line should do the trick

        Comment

        • Jeff P.
          Very Frequent User
          • July 31, 1989
          • 799

          #5
          Re: Fuel Pump Install

          Thanks, guys
          68 L79 Convertible: Triple Black: Work In Progress, Body off. Now on!
          2014 Arctic White Z51 Vert. (Wifes)

          Comment

          • Steven B.
            Extremely Frequent Poster
            • June 30, 1982
            • 3990

            #6
            Re: Fuel Pump Install

            Originally posted by Daniel Smith (33583)
            Hose clamp around a bolt that is the same ID as the fuel line should do the trick
            This is a good method I use. Also used a cork once.

            Comment

            • Terry M.
              Beyond Control Poster
              • September 30, 1980
              • 15601

              #7
              Re: Fuel Pump Install

              Just push an old spark plug into the hose, or a new one -- doesn't matter. Works for me.
              Terry

              Comment

              • John H.
                Beyond Control Poster
                • December 1, 1997
                • 16513

                #8
                Re: Fuel Pump Install

                I use a pair of plastic slide-locking pliers with rounded jaws made specifically for stopping flow in 3/8" rubber fuel lines without damaging them - most FLAPS have them.


                GasClamp640.jpg

                Comment

                • Paul J.
                  Expired
                  • September 9, 2008
                  • 2091

                  #9
                  Re: Fuel Pump Install

                  I have a couple of jars of plastic and rubber plugs, these came in open ports of new and reconditioned parts. I just hunt for one that fits and plug the flow.

                  Comment

                  • Jim L.
                    Extremely Frequent Poster
                    • September 30, 1979
                    • 1808

                    #10
                    Re: Fuel Pump Install

                    My solution is to install a shut-off valve back near the tank. This makes it trivial to work on the pump or any portion of the fuel line ahead of the valve.

                    Jim

                    Comment

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