Now that I have had a chance to see some pics, I think you will find a bunch of spun bearings when you open it up all the way. Looks like the thrust main may be spun some based on parting line position. The plugs are not smashed as I suspected, just kissed by the pistons once the rod bearings went away. The entire bottom end looks "tight" visually from the pics. Rod side clearance to cylinder wall wear, you name it. An engine will only live on the tight end of the tolerances if all the machining is dead nuts on, which is rarely the case unless every part is verified, especially aftermarket stuff. Good luck with the outcome. It can probably be fixed without too much expense. Looks like everything stayed attached.
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