Originally Posted by
t4ftracer
Maybe this is a stupid question, but why would it matter what size piston you use if you drill the holes out anyway?
#3 piston hole is smaller than a #55 drill bit ...
you kinda end up with #2.5 piston
or
in between a #3 & #2 piston
You get just a little more pack compared to a #2 piston
good question