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Usually on the top of the motor where the bell housing bolts up. Most of the time the numbers (7 or so) areplainly visible on a clean motor. Close investigation on the passenger's side will usually reveal a build date that is written in an alphanumeric code. The letters are much smaller and there is no real continuity between factories except the last number is always the last year in the production year. For instance a 3 means a year the ended in 3. But '63 or '73 ??? that takes some detective work. And the 'letter' in the code always corresponds to the month, IE, A is January, B is February, since E is the fifth letter, that would be the fifth month May.

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15y ago

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