[Pmhearns]

So... no one huh? OK well I'll provide some more info as I got into it. Oil rides up 2 of the head studs. There are 2 small gullies in the through holes for the studs. Underneath the cam shafts is where the oil is injected into the head. Hence there are 2 'washers' and 2 'gaskets' to install on the 4 studs. Make sure you install them correctly! As for the 2 holess in the jug? We will see if it's OK to block them off. With the correct pcv system in place I can't see there being enough oil pressure to blown out the head gasket at the location.