I have a 350 small block in my truck, and I have no clue on what year it is or anything. I was wondering if I could get some help ID'ing the engine. . Its a 350 corvette small block as far as I know.The engine still sits in the truck, so its a little hard to search for the casting codes.(The number I thought was it starts with 42 I believe. Ill look when I get off work). I tried researching the casting codes online and none match up with mine. I did find the stamp behind the alternator and the stamp reads M05082VP. Can any one help me?

Thanks in advance