Also. I pulled my lower hoses off and only the drivers side of the engine drained. The passenger side is still full of coolant. Could the passages be clogged?
Buy a set of new gaskets for 30$ and run them out. If it's still the same, well. Cheaper then a new rebuild at this point. If still bad, well... 30$ is the least of it.
Still strange you have decent compression? Might want to a leak down or name the builder.
If the coolant doesn´t drain there must be a serious clogging in the pump or something...
At this point some kind of "block bandaid" aproach comes to mind...not much to loose if you have a crack..
Whatever you descide don´t run the engine with water in the oil for any extended period of time.
I would pull the pump where coolant don´t drain and check what´s going on.
Then caustic cleaner in the block to get rid of oil...a lot of flushing...evaporust for whatever rust is left...a lot of flushing...block sealer !
Done right this won´t hurt your internal engine parts and may save the block...if not it´s mostly your work involved and not to much money.
Fingers crossed you can save the block...
Start by getting the coolant passages clear...get pump off...check that the block has been cleaned in the waterjackets.
One step at the time verifying what has been and not been done.
But as i read it coolant is still in one side of the block after bottom hoses was removed ?
That means there is a serious blocking in the pump or block on that side...that must be adressed before anything else.
I agree. I think there is a lot of issues going on here for a rebuild. They keep changing. One thing at a time would be my suggestion. I might think the block was never cleaned or checked (for a rebuilt block).
Ill be pulling off the pumps tomorrow and will post results. I am at a total loss for words. I WAS a total rebuild. I will post the receipt for the motor.
Water pumps aren't putting water in the cylinder, one thing at a time. Only way water gets into the combustion chamber ever is a head gasket or a crack. Best of luck.