Thread: Prefix id help please
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Old 01-16-2026, 09:55 PM   #2
mcgarrett
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Join Date: Dec 2013
Location: Corsicana, Texas
Posts: 1,551
Default Re: Prefix id help please
8CM generally indicates a Mercury engine part from '49-'53

C5TZ is a later chassis/drivetrain number from the mid sixties.

Sorry, not too sure about the others.
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