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Ron Gusack · 01-19-2016, 04:03 PM

My 427 BBC valve covers leak vacuum at the curves. These are steel Moroso covers with thick cork gaskets. There are many to chose from but which will seal the best? I think the leak is between the gasket and the head not the gasket and the cover. I usually use the nasty 3M yellow weather stripping to glue the gasket to the cover.

01-19-2016, 04:03 PM	#1
Ron Gusack Member Join Date: Feb 2009 Posts: 244 Likes: 1 Liked 7 Times in 6 Posts	Gasket recommendation My 427 BBC valve covers leak vacuum at the curves. These are steel Moroso covers with thick cork gaskets. There are many to chose from but which will seal the best? I think the leak is between the gasket and the head not the gasket and the cover. I usually use the nasty 3M yellow weather stripping to glue the gasket to the cover.