This is what I need. As you said the samll port size manifold.The ones in the junkjard one had the small ports and one had the large port and they both were cast iron.I should have grab both of them.I have a little motorhome that I want to put a 4bbl headers and cam in.Can anybody do a search on this number 2846346 it is a factory318 4bbl number I think. Mark
