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3.0 mercruiser

Is everyone else having problems with the value Cover gasket leaking. I used the cork gasket that same with my kit is there Nother type of gasket I can use for something I did wrong with the cork gasket
 
Is everyone else having problems with the value Cover gasket leaking.

Nope,..... My 1st guess is, yer over-tightenin' the bolts, or the valve cover is bent,....

They do make silicone rubber gaskets,.... donno 'bout the 3.0l though,...
I put 'em on a pair of I6s last year,... no more leaks,.... take-offs were probably original, 'n were cork,...
 
An old mechanic's trick is to turn the cover over and knock the indentations (where the bolts go) back the other way.

Jeff
 
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