c-2 fuel sending unit rebuild - NCRS Discussion Boards

c-2 fuel sending unit rebuild

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  • Mike M.
    NCRS Past President
    • May 31, 1974
    • 8365

    c-2 fuel sending unit rebuild

    original nos sending units getting scarce. the oriental important has no AC logo engraved in the unit, so theses chinese pieces take a deduct. has anybody taken a non-working c-2 sending unit(i've got a bushel basket of them) and swapped out the chinese reostate? or is anybody doing a similar swap-out. mike
  • Frank D.
    Expired
    • December 27, 2007
    • 2703

    #2
    Re: c-2 fuel sending unit rebuild

    Mmmm.....interesting question, I haven't done it and I wonder how Wolfe & Co. restores originals, surely it something along the lines of replacing the rheostat as one step... This all assumes that part is the sole problem...

    Comment

    • Jimmy G.
      Very Frequent User
      • November 1, 1979
      • 975

      #3
      Re: c-2 fuel sending unit rebuild

      Mike

      I did that twice on my tanker Repo resistor. Failed twice
      Founder - Carolinas Chapter NCRS

      Comment

      • Ron G.
        Very Frequent User
        • December 1, 1984
        • 865

        #4
        Re: c-2 fuel sending unit rebuild

        Mike,

        About a year ago I was looking for someone to rebuild my original fuel sending unit on my LT-1. Gary B. suggested that I call Bruce at Bob's Speedometer. Not cheap, but he did an outstanding job. Bruce can be reached at (810) 632-0400. If anyone knows me, than you I am a little anal. He even re-plated it and it looks factory. - Ron
        "SOLID LIFTERS MATTER"

        Comment

        • Jim D.
          Extremely Frequent Poster
          • June 30, 1985
          • 2882

          #5
          Re: c-2 fuel sending unit rebuild

          The cheap Chinese rheostat is only one reason why they are junk. Everything about them is inferior. I've had http://antiqueinstrument.com/ restore several originals for me and they do a great, high quality job.

          Comment

          • Larry M.
            Extremely Frequent Poster
            • January 1, 1992
            • 2688

            #6
            Re: c-2 fuel sending unit rebuild

            Originally posted by Jim Durham (8797)
            The cheap Chinese rheostat is only one reason why they are junk. Everything about them is inferior. I've had http://antiqueinstrument.com/ restore several originals for me and they do a great, high quality job.
            I agree...........

            Larry

            Comment

            • Dan B.
              Expired
              • July 13, 2011
              • 545

              #7
              Re: c-2 fuel sending unit rebuild

              Originally posted by Mike McCagh (14)
              original nos sending units getting scarce. the oriental important has no AC logo engraved in the unit, so theses chinese pieces take a deduct. has anybody taken a non-working c-2 sending unit(i've got a bushel basket of them) and swapped out the chinese reostate? or is anybody doing a similar swap-out. mike
              The Chinese rheostats have a thinner guage wiring than the original Delco units which is one of the reasons they don't last long. I would not waste my time since the internals are inferior. Much better off to get the original rebuilt by someone who knows what they are doing like john Wolfe. He does an excellent job.

              Comment

              • Richard G.
                Extremely Frequent Poster
                • July 31, 1984
                • 1715

                #8
                Re: c-2 fuel sending unit rebuild

                My Chinese sender unit didn't work from the get go.
                The wire had been crimped under the cover and shorted out.
                At least the gauge showed full and the new tank had never had any fuel in it.
                So I didn't have to have gas running down my arms to change it out.
                Here is a picture of what my original looked like after setting for 30+ years.



                I found a NOS one and installed it.
                I have heard LIC may have a decent replacement.
                Unsure where it was manufactured though.
                Attached Files

                Comment

                • Gerard F.
                  Extremely Frequent Poster
                  • June 30, 2004
                  • 3803

                  #9
                  Re: c-2 fuel sending unit rebuild

                  Originally posted by Mike McCagh (14)
                  original nos sending units getting scarce. the oriental important has no AC logo engraved in the unit, so theses chinese pieces take a deduct. has anybody taken a non-working c-2 sending unit(i've got a bushel basket of them) and swapped out the chinese reostate? or is anybody doing a similar swap-out. mike
                  Mike,

                  Don't bother trying to swap out the rheostat, it is totally different from the originals:


                  import on left, original on right

                  Best thing to do is clean the coil and file the contactor, then fix any broken insulation and deteriorated solder connections:





                  Then test here out:

                  Attached Files
                  Jerry Fuccillo
                  1967 327/300 Convertible since 1968

                  Comment

                  • James W.
                    Extremely Frequent Poster
                    • December 1, 1990
                    • 2640

                    #10
                    Re: c-2 fuel sending unit rebuild

                    I have a problem with my fuel tank sending unit leaking from the wire connectors as seen in the picture. Can these be tightened just a little to stop the leak or is there a fix for replacing what looks to be a leather gasket? The sending unit works perfectly, just noticed this about a week ago. The car runs on nothing but leader racing fuel.

                    Thanks,

                    James West
                    Attached Files

                    Comment

                    • Larry M.
                      Extremely Frequent Poster
                      • January 1, 1992
                      • 2688

                      #11
                      Re: c-2 fuel sending unit rebuild

                      Yes, just tighten it up. It has a seal/packing gland that can be tightened to prevent seepage.

                      Larry

                      Comment

                      • Ronald L.
                        Extremely Frequent Poster
                        • October 18, 2009
                        • 3248

                        #12
                        Re: c-2 fuel sending unit rebuild

                        About 12 years ago, there was a batch of Delphi senders made in Michigan, that were then taken to TQ to get calibrated. They had a modern as in 1990's version open resistor card, they worked super but no logo on the bottom. The die to stamp the A.C. details never gained interest...

                        Is there anyone reliably doing the rebuild?

                        Comment

                        • Frank T.
                          Infrequent User
                          • March 20, 2013
                          • 26

                          #13

                          Comment

                          • Mike M.
                            NCRS Past President
                            • May 31, 1974
                            • 8365

                            #14
                            Re: c-2 fuel sending unit rebuild

                            i tried calling john wolfe, phone apparently disconnected. i then called Bob's speedometer. he answered and is resting the c-2 fuel sending units. i'm sending him a pair today. mike

                            Comment

                            • William F.
                              Extremely Frequent Poster
                              • June 9, 2009
                              • 1354

                              #15
                              Re: c-2 fuel sending unit rebuild

                              Are C1 sending units from vendors as problematic as the repops for C2's? C1 units look simpler design.

                              Comment

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