yet another exhaust manifold query

Caution!!!!! on the drivers side ....when using the early a body manifolds and later style heads the downpipe will hit the cylinder head!!!! you will need to a tiny bit of grinding and use two header gaskets and a heat shield to get clearance...if you do not do this you will have a leak or break the exhaust manifold.we tryed this on a 65 valiant with 302 heads and it hit the pad below the exhaust port,that pad is very thin so dont grind a lot off of it ..maybe just a lil' bit off the edge and some off the manifold but the double gaskets get the clearance you will need so try them first and see how much grinding to do...Good Luck and hope this was helpful...wagg's