When I worked at a service station as a teenager, the mechanics there told me to never - never pour water into the radiator of an overheated engine unless the engine was running. Why? Because it would likely blow the head gasket. I don't know how.
Your description said that you poured water into the radiator then cranked it up. I wonder were those mechanics right?
Sorry about your problems Larry and my story doesn't help you but maybe it will help someone else.