Quote:
Originally Posted by tubman
"RalphG", it sounds like you're one of "those guys" who think the Ford engineers knew what they were doing. I'm one as well.
I don't see why this is necessary except for an all-out race engine. The proper manifolds for those don't have a provision for manifold heat anyway, so why bother?
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I would think that hot exhaust air would aid in preventing carburetor icing which can be a real problem here. My 52 Merc still has the heat riser valve in the right hand exhaust manifold.