Quote:
Originally Posted by johnta1
The best way to ID the year is by the partial VIN on the block.
The pic of the date code is hard to tell for sure if the last digit is a '5' or '6', but I think it is a '6' (1976)
I have seen some blocks with the 2 digit cast year for the next year of production. (would have to check notes if any in 1976 though)

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examples;
1976 year before,
1973 no year,
1972 year after.
No sure what the big numbers are supposed to mean.