DO NOT try to machine the domed piston flat to work with the later model head. It looks OK, but after only a few hours or operation, a hole will appear in the center of the piston. Yes, I tried that- - - -no, it didn't work! 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!