Okay, I think we have a winner. I'm going to say a 216. Here's a picture of the casting number on the block.

http://i1023.photobucket.com/albums/af352/vincentmilone/file.jpg

3835497!

According to that database, it's a 42-53 216 engine.

Are we out of the dark? grin

Last edited by 50chvytrk; 08/14/2012 2:06 PM.