I blew a head gasket on mine.
adjustment knob with double gasket against water infiltrations.
Using a system by Kawneer, they were fixed with a silicon gasket, then clip-in metal beading, then another gasket.
blowCE 2 On Sunday we lost Steve Davis who blew a head gasket and retired on the 3 lap.
I thought the RSM was going to blow a gasket, he politely told us to go back to our duties.