Up for sale is a 331 CID Chrysler Hemi I was told it was from a 1953 Dodge Desoto. I can't verify that but I found these webpages that has ID numbers. Maybe they could help:
https://www.allpar.com/mopar/hemi/oldhemi.html
http://www.thehemi.com/engines.php?id=53FP331
We haven't removed the drain plug to see if there is any water in the oil yet but we will post it when we find out.
Engine Identification # is C53-8-49953
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