Dana, we were right, it was the sea water impeller. The rest of the pieces were lodged in the oil cooler and came out with back flushing from the thermostat housing side. Amazingly she fired up and ran fine with the garden hose muffs on, topped at 170F with holding 3500rpm for 10 minutes. Looks like the blind squirrel may have some life left in her after all!
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