Hornet piston ring installer

Courtesy Man
Courtesy Man Expert Adviser
in "How To" - Skills, mechanical and other wise

Time to install pistons with rings into the cylinders - installation "clamps" are harder to use on flatheads with pocket recess for valves - that is no flat deck all around like on overhead valve engines. I have the usual spring steel clamping device but reluctant to use it. What advice do you have ? Gert

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  • 54coupe
    54coupe Member

    That's what I use. Before I start, I use a jeweler's file, then 220 grit sandpaper and put a very slight radius on that edge. Then I watch really close at the transfer area, and push a ring into the groove with a worn ( no sharp edges) screwdriver as necessary.

  • KenU_Tx
    KenU_Tx Member

    I did exactly as Dany Spring did,. Use the piston ring compressor to get the rings started in, and watch as the ring becomes visible in the valve pocket area, then use a small thin flat screw driver to push the ring inwards into the piston groove completely and then gently tap the piston crown down until the ring is completely in the cylinder bore. Do this one at a time until all 4 rings are in. In fact I did two engines with very deep 7X valve reliefs. Just go slow, gentle and patient. don't force anything. Sometimes you have to pull the piston back out , readjust the compressor, and try again to get the ring in with pressure from the flat screwdriver.

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