Quote: Check out the side of the block. I didn't even notice at first, but Dave pointed it out to me.
(On my computer, it is easier to see what I am referring to if you were to step back a couple feet.)
Here's one without paint:
BTW Great post
Any meaning? Cylinder or piston size? IIRC in the 70's working on 440 engines pistons had letters or numbers on them.That's a long time ago Bob
I've had a couple PM's & emails about the letters on the block... I was told by a retired gentleman who worked on engine assembly that it was to match bore sizes to pistons.
Bob 
