Originally Posted by
30Tooth
Then do the same for the crank, take off the carb and take a pic of where the crankpin is at crank closing and revealing the opening. I know most if not all RTR engines are strained in the crank, not so much the sleeve.
??
That's what I did. The picture labeled "intake port opens" was taken after aligning the crank so the leading edge of the intake port was just barely visible at the base of the carb socket, and the picture labeled "intake port closes" was taken the same way except based on the trailing edge of the intake port instead.