Originally Posted by
ezveedub
If your shimming .005, your way too tight on clearance, plus a p3 glowplug on top of that. It looks like the piston got hot at the exhaust port area and dragged on the sleeve IMO.
I was way off with the decimal, I appologize. I'm actually shimmed out to .5, It came stock with (1) aluminum .3 and (1) copper .1 already installed. I installed one more for a total of .5. Would what you describe above still be an issue with this clearance?