06-10-2006, 02:23 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
The 9J12 means that particular part's cast date is September 12, 1969 if I remember the codes correctly.
When you break down the C9AE 6015 AA 13, it means:
C9AE - 1969 Ford Engine
6015 - Manufacturer Part Number
AA - number of revisions...A means it was revised once, B twice...etc.
13 - I would assume this means what mold it was cast in.
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