water in the oil

Well, no pressure test needed... yet. It's leaking between the intake and block on passenger side at the rear of the engine. Now all I have to do is figure out how to get the manifold off. It's stuck like super glue.

The only place I used silicon was on the cork gaskets at both ends. A little on the top & bottom of the cork and a not overly generous amount where the the heads, block and intake meet. It just ain't budging.

I've got a 2lb dead blow hammer, it ain't helpin' at all. It's somewhat of a high rise. I don't have a pic but the part # is Mopar P4452803
I am glad that this IS a project car and I'm in no hurry. To misquote the Beatles, I AM the Tortoise. :lol:
Leaking oil or coolant?
There should not be any coolant at the back side of the engine, if it is coolant it must be leaking between the intake and the head and running done the back side of the block. Check for a cracked intake manifold.
Most folks no longer use the cork china walls gaskets anymore, just a good bead of gasket maker like Right Stuff will to the trick.