Well, I thought I had better pictures
This one shows how the alt. was mounted:
And this one is with the alt. removed-see the mounting holes in the head? Looks like nothing ever was in them.
Maybe we should work out a trade, then we would both have a matched set!
I never have taken off the valve covers to see just what heads they are. The motor is promised to my friend's kid, who is building a '67 chevelle.