Quote Originally Posted by robot View Post
....But what difference does it make?
Not to rain on your parade, but I had the same thought. The big thing today is doing LS swaps, not going back to Gen 1 SBC's. Even if you could prove, drop dead certain, that your block was a '68 or '69 302 Z28 origin, I don't see anyone really being that interested in a 50+ year old bare block, no matter it's history. There's just too much stuff going on today with the newer engines.