Franko said

My valve covers are stock 1969 steel valve covers and are straight. The heads are 3418915 which were stock on a 340 dated 1970 (with 2.02 valves) and were originally installed in a 1971 Duster. One head had a O cast in it and the other a U. Probably none of this is relevant, but I thought I'd mention it just in case it is.

I torqued the heads in the correct sequence and the inner baffles are not hitting the rocker arms.

As I stated, I put a straight edge on both heads' valve cover rails and the center of each is higher than both ends. As stated above, the explanation must be "Most stock heads are left "as-cast" on the valve cover rails and some are a lot worse than others."

Today I ordered the 93050 Moroso Perm-Align gaskets, as recommended.

Thanks for your help.

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