Re: smashing out stuck piston

Posted by Janicholson on April 16, 2007 at 09:55:05 from (199.17.6.122):

In Reply to: smashing out stuck piston posted by sean in alberta on April 16, 2007 at 09:33:35:

I do not like the idea of smashing out a piston in cast iron. If the piston is swelled up by the blows, a cast cylinder (the ouside structural bore into which the sleeve in pressed) can split, severly reducing the value of the block and making real repair more difficult.
Drilling numerous holes in the piston till the inner part of the head of the piston is removed, then using a muffler chisel (a doglegged hand tool with a slot cutting business end) to cut down one side will do the trick. This uses much less force, and applies force locally, and downward, not swelling sideways.
JimN

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