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Main jet in carb will not tighten up what can I do

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  • #662793
    Michael JohnsonMichael Johnson
    Participant

      I have a Carter 9635sa carburetor that I was rebuilding a while ago and could not get out one of the main jets.

      I ended up breaking off a tab so I could not use a screwdriver to remove it anymore.
      I then tried to use easy outs but it would not remove it. It would bite but then slip, I tried a few different sizes and brands with no luck. It was to shallow to use before it bottomed out in the carb.

      To make a long story short I ended up drilling it out. I was careful as can be but the thread’s got a little damaged. I did run a tap through the hole but the “new” jet will not tighten up snug. Most of the time it will not tighten up at all but once in a while I can get it to bite a little but not as snug as it should be.

      I left it like that as it is on a car that does not get driven that much and did not have money to spend on a new carb. It seemed OK for what I needed it for.

      I tore it back down now to rebuild it again but wanted to see if there is something that can be done to help it snug up better this time but still keep it removable if needed later on.

      I cant use a heli-coil on it as there is no room to make a oversized hole in it.

      Thanks

    Viewing 6 replies - 1 through 6 (of 6 total)
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    • #662795
      Andrew ButtonAndrew Button
      Participant

        There is one product that you can use to aid that. And no, don’t use JB Weld, it dissolves with gas. Send me a message and I will tell you what you need. Reason I am not posting it is that I wish not to endorse any product in case somebody else doesn’t have good luck.

        #662811
        Andrew PhillipsAndrew Phillips
        Participant

          I’ve used teflon tape to get a little extra bite on carb jet threads for decades.

          #662821
          DavidDavid
          Participant

            [quote=”cap269″ post=135608]I’ve used teflon tape to get a little extra bite on carb jet threads for decades.[/quote]
            +1 on the teflon tape, it works a treat.

            #662865
            Michael JohnsonMichael Johnson
            Participant

              I tried the Teflon with no luck. I guess it is a little more messed up than originally thought.

              #662891
              Roy FrenchRoy French
              Participant

                Green locktite (680) will work. It is made for cylindrical bonding. Once used you will need heat to remove it again.

                #662917
                Andrew PhillipsAndrew Phillips
                Participant

                  You may be at the point of replacing the carb. Alternatively, you could try taking the carb to a machine shop and see if they have a solution.

                Viewing 6 replies - 1 through 6 (of 6 total)
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