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- Fri May 09, 2014 4:03 am
- Forum: 12 Bolt Differential Questions
- Topic: Swapping out Olds 12 bolt for BOP 10 bolt
- Replies: 1
- Views: 7529
Swapping out Olds 12 bolt for BOP 10 bolt
I have a 67 Buick Sport Wagon with the Olds 12 which is an open rear. I would like to swap it out for a 66 Pontiac posi rear that i have. My questions are 1. Do they use the same upper control arms? 2. Is the width the same from end to end including drums? 3. Will the coil springs fit or would i nee...