No, no. Must be machined square and then measured for squareness. You will never achieve proper squareness by filing by hand. You may get away with it, but it won't be optimal.I'm not too sure. They weren't in great shape I can give you that
I lapped with some course then finished it with fine.
I take it you file the stem down until it's at level with the number in the book?
Huh???OMG HAX R FOR NOOBS
OMG HAX R FOR NOOBS
Huh???
Mr. Magice:By the way, to go through all this trouble to refurbish engine and not know what a tappet is...well...it's just troubling.