KBH 3:73 open
W217 2 Warren Michigan Plant, 217 day of the year, shift 2
Should be a date code on the center section web next to the vent tube starting with a letter for the month then 1 or 2 numbers for the day and the last number for the year. Should be a 6 for 76.
My 74 12B date code is A84. (January 8 1974)
CN2 or H 2 2 ? Where is the H 2 2.
The GM59 and long 3896839 N number are just casting numbers for 12 bolt as far as I know.