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- Mon Jul 10, 2017 12:04 pm
- Forum: 12 Bolt Differential Questions
- Topic: '70 12 bolt "O" strengthening.
- Replies: 1
- Views: 819
I'm in the process of installing a rebuilt engine in my '70 442. It's putting out 500+hp/600+tq dynoed. I purchased an Anti-slip/3.42 ring and pinion and that's about it, my rear-end is stock. I'm paranoid that the rear wont hold up with that power. Should I consider 31 spline axle shafts and what e...