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My thermostat ripped itself apart and overheated the engine. I just pulled off the heads and see this. Did I just blow the head gaskets or is the block junked? I should also say it looks like the coolant system was getting pressurized and blowing out the overflow tube.
To me at a glance everything appears ok with the block, the mating surface just needs cleaned up good before reassembly. Is there something in particular concerning you?