Those years won't swap. Just count the bolt holes in the head and compare to the block - they don't match.
Duh, well that sure looks like the short answer. The reason I say duh is not because of your answer its because an "old timer" called me and asked the question.
I asked about the oil porting and such, therefore didn't think of asking him about the number of bolt holes.
Thanks to both of you for your replies
I'm off the hook for this favor.
Don