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please dont scrap it!?!?!?!.. thats just as bad as that cash for clunkers(sp?) thing they were doing... iv never used some mixture of fluids to free at froze piston... try just a can of pb blaster and a propane torch.. spray the bore down around the piston and add heat... dont need to get it glowing hot or anything, you just want thermal expansion to happen.. you want the bore to expand a lil and it'll start braking the seal thats holding it in place...once hot, cool it back down with more pb blaster, then heat it up again.. the pb blaster is flamable so itll be like a lil inferno in there... but keep doing this a butt load of time and it should come out pretty easy minus the crap it'll have to be pushed past... but this ALWAYS works for me.
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