Originally Posted By dizuster
If it's not a crack... What caused the big rust spot?

If it were me, I wouldn't be putting this thing back together until I knew the answer to that question.
In my perspective I have satisfied reasonable doubt that is will leak again from anything other than a head gasket.


GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/