m44 and m47 crank - pistons Edited.. trying to work out what is what here... if i have a m44 with a m47 crank, and i want about 11:1 how much do i need to skim the pistons, and how deep do you put the pockets in? thanks! Last edited by bmw2101; 03-09-2014 at 12:51 AM. Reason: got it wrong! |