Slant 6 Valve cover gasket.?????

805moparkid said

the biggest problem with the cork gaskets is over tightening them, i ditched the bolts for studs with nylocks. With this i can snug them without them backing out, no leaks.

As for the rubber i tried and tried, ended up throwing the couple i had away, never again

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The trick with cork gaskets is to glue them to the rocker cover with contact cement, and fit either bone dry, or with an RTV silicone.....this depends on the type of surface the gasket will be sealing on.
On the Holden 6's we have here, where the rocker cover, and tappet covers are, the surface is a rough as cast surface.....so they go on dry.