Hmmmm- - - - -no dowels, and no tabs, plus no crush fit- - - -that engine's going to spin the bearings in a very short time! What do these dummies do for a living? It's certainly not engine building! Now, if they checked the valve seating with a vacuum pump, I'd buy that.
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!