Help with engine noise???

SleeperScamp said

I guess while laying on my back looking at the rotating assembly while someone turns engine over by hand I could tell if crank was broke???

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I would certainly like to think so. lol

So there were no metal shavings in the pan? At All? To me, that rules OUT anything coming apart in the engine right there. If the engine had a knock, rest assured, there'd be some evidence.