Next question- - - - -is the intake valve exactly vertical, or is its guide angled a little? I've heard a specification of a 6 degree tilt on the intake valve stem- - - - -yes or no?
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!