What's the block number? It's stamped on the block, on the machined surface in front of the intake manifold. BTW, truck engines have a round inspection cover ~4" diameter in the bottom of the oil pan.
It's in TX, I'm in FL, A friend of mine has had contact with the owner, All I've seen is a few pictures. I was told the one under the hood is a Mercury. One more:
The Jalopy Journal
