I was told the Magnum it came out of ran just fine and also that the tranny had been rebuilt and had only 12k miles on it. The torque converter was also replaced with a lock-up one I believe he said.
I'll put it up on CL and see how that goes.

This weekend I'll be starting on pulling the old 360 out of the truck and getting the replacement ready to go in. What all gaskets would you recommend I replace on the engine I just bought? It sat for many years so I plan on replacing oil pan and valve cover gaskets for starters.

Thanks for all the help!