Use a table ban saw to hack off the 340 piston crown .

Ok, find someone with a mill...&#@/ the machine shops chargeing so much for a simple procedure. I got some dome pistons myself that need to be put to use.
fill yer boots dude, you seem not to care what other sensible or cost effective options you're given so go for it. once you've buggered them and they're un saleable don't say you weren't warned. :thumbsup: