68 - 72 A body 12 bolt from 442

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**Lynn** · #1 01-10-2016, 04:33 AM

Thanks Mark.

**SS69chevelle** · #2 01-10-2016, 07:25 PM

Check the housing casting numbers, some Canadian oldsmobiles used a chevy 12 bolt in 1969, only difference is the stamp code, not sure about other years. As far as i know real Buick-Olds-Pontiac (BOP) rearends will have bolt in axles indicating it is not a chevy rearend and as mentioned is really a 10 bolt type and weaker.

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