Where is the freeze plug located on a 501 GM engine in a 1976 Cadillac El Dorado?

I

itsanusthing

New member
My friend has a 1976 Cadillac that he is working on and needs to know the location of the freeze plug. Is there a schematic that shows the location? If you do not have the answer, is there a website that I could go to?
 
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