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a couple months ago i had to change my manifold gasket on my vortec 350 and i changed my valve cover gaskets at the same time...i had found a website with various torque specs and found the specs for the manifold bolts but i couldnt find anything for the valve covers...anyways i went ahead and just snugged the valve covers nicely and here i am months later and i discovered that my engine head right under the valve cover is oily....is the gasket ruined now or if i re-torqued the bolts to the right amount would it stop the minor leak?
 

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My name's not Kevin
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308 Posts
What kind of gasket was it, cork, paper or rubber? You can retorque the cover and clean the engine and go from there. If it were me, gaskets don't cost that much. I would replace it.
 

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You may need new valve covers. It is very common for people to over tighten the centerbolt covers and bend them. Verify that the top of the valve covers is level before you just swap the gaskets.
 
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