engine ID (by casting #)

65inabox

New Member
Nov 28, 2000
29
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0
Tipton, Mi.
Hi everyone,
I have a 76 monarch I am using as a doner car, the 302 in it has a casting # of d1zm-6015-aa which is a 1971 from a mustang.
what does the "m" stand for?
I was told that this motor came from a 72 torino :shrug:
Best
Rob
 
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