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    I got the cylinder manifold nipple out. I punched the pin out Heated the nipple, a little penetrating oil, and it unscrewed with no trouble. I have a new tapered pin. I am thinking of getting some 2000 degree f thread retaining compound, and just using that to hold the nipple in. Or I can drill and ream the hole, then I would need to make a new pin. What about retaining compound, and using a set screw? Any thoughts. Stan

  • #2
    Tapered pin, Stan?

    Hope you mean a tapered head, because that helps immensely.
    Tapered otherwise risks cracking the casting.
    Its best to ream and cut a custom rivet to a precise fit from a large nail annealed cherry-red in coals, and cooled slowly.

    (OEM button-head rivet shown on top is difficult to seal upon the inside curve of the nipple. Over-size tapered head rivet shown below.)

    The problem with two thousand degree goober is you better hope it seals perfectly the first time.

    Set screws are ugly.

    ....Cotten
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    Last edited by T. Cotten; 12-20-2019, 08:48 AM.
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

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