Hello IDave, I'm thinking the crank went the way of the cam. Since the load from the valve train is transmited to the crank opposite the output load (wringing a rag). Bad things happening in the valve train laod up the crank with a 2 to 1 torque on the crank. All thats just guessing though, U NO Dogman, opinions welcome so what do YOU think?
It would be interesting to see a picture of it.