Rebuilt Top End. Has To Much Compression

Plugs brand new. The timing chain did come off completely on the bottom gear one time and we had a time getting it put back on, so I was possibly thinking a timing chain issue but not positive, 2nd time I tore it down to find problem, theres antifreeze all in the cylinder and over piston which makes no since because it had not been run yet. So put it back together with new Gaskets wouldn't start by kicking so rolled it off, and it did start but ran like shit, so tore it back apart a 3rd and instead of there being antifreeze everywhere, instead there was oil/water mix everywhere. Had a time getting everything clean and now Im at lost. Only thing is to inspect timing chain, the auto decompressor, and then Im gonna get a rebuild kit for the waterpump, even if its not the issue it can't hurt.
 
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