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Possible problems with rings and piston from the earlier overheating problem

Possible problems with rings and piston from the earlier overheating problem I replaced the lifters with solids and cleaned the points and re-set them. cleaned and re-gaped the plugs to .025. I also cleaned the carb with carb cleaner and wiped the soot off everything.
I then did a cold compression test wet and got about 80 F, 100 R. A leakdown shows 65% F and about 30% R. intake and exhaust were quiet so i'm guessing rings.
I took it out, started it up and let it warm up. sounds really good. however still missing under load. i just rode it round the block and it was missing a lot still. I bought a piston/ cylinder/ring set. after shopping around I found it was just as much to send out my stuff and buy pistons and rings as it was to just buy them in a set at stock size. my cylinders are already .050 over. so now going to pull the top end

problem

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