Re: 12 Bolt Posi Rear End Date Code
Generally speaking:
Pumpkin casting date - 3-4 weeks before the car was built
Axle tube stamping dated 1-3 weeks before the car was built.
I know of a 10B car and its rear is dated 9/30, 10D car is dated 10/22.
My 11A car is dated 10/16 on the tube and 10/8 on the pumpkin.
Earlier 12 bolt rears seem to be harder to find.
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1969 Camaro RS/SS Azure Turquoise
1969 Camaro Z/28 Azure Turquoise
1984 Camaro z/28 L69 HO 5 speed
1984 Camaro z/28 zz4 conversion
1987 Monte Carlo SS original owner
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