over sized piston question. might sound stupid.
lol most likely meaning mm not inches so ".25 over" is 81.25mm
You've probably heard of .020" over which is equal to .5mm
You've probably heard of .020" over which is equal to .5mm
so that means that the bore has to be bigger then the piston. so if i have 81.25 mm pistons then the bore has to be bigger for clearance and all. say like 81.5 mm. if so that makes since.
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