Quote:
Originally Posted by mcutlass1969
Well I thought I had posted this but couldn't find it or the email. I took a 455 and put on Aluminum heads and intake. When putting the intake on I did not put the valley pan on due to the pan has points that set on the heads. The Aluminum heads do not allow for this. Also when puting the intake on in the valleys we just put a thick bead of RTV from head to head. I am now getting a leak and wondering if I should have put the pan in.
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The valley pan doesn't seal the front and back edges of the intake anyway, so that's a moot point. The four formed locating bosses actually just fit into the front and back intake bolt holes on each head, so I'm not sure why the aluminum heads matter. The nice thing about the pan is that it keeps hot oil off the bottom of the intake. If you don't want to use it as a gasket, at least take an old pan and cut the intake port sections off of it. Now you can snap the remaining pan under the overhanging edges of the heads and still have the oil deflector function.