Thanks for the last several posts
I've know of the engine for probably about 40 years
It never had any kind of number swapping story that followed it.
I was just curious about what it had came out of and I guess the 70 road runner ?
looks like a match ..

I haven't contacted that guy- don't know if I want the aggravation?
The engine seems to be in very good shape with no cracks or damage anywhere
I was figuring on disassembly and check everything and reassemble and drop into the 65