Quote:
Originally Posted by Modshack
Err......Valve stem seals don't see ANY oil pressure... Just the cam bearings, then the oil drains to the sump.
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Isn't the oil under the valve cover under pressure? Maybe I'm mistaken, but I'm under the impression that everything under swimming in oil, under pressure...
Not "crankshaft bearing" levels of pressure, but under pressure none-the-less.