Alright guys, I just got the head back from the mechanic for the core. The one that was in it was a 7120. Sounds like the PO didn't know what he was talking about...Who knows how many actual miles are on the engine...Now my new question is will my 0630 head that I got bolt up to my exhaust and intake manifold without any modifications such as the 0331 to 0630 adapter plate? Or do I just have another headache on my hands?

 

Grab the gaskets and compare.............