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- Fri Feb 05, 2016 8:44 am
- Forum: 10 Bolt Differential Questions
- Topic: H-body Bolt In Posi Rear End
- Replies: 3
- Views: 11749
Re: H-body Bolt In Posi Rear End
Jim, I just purchased a 1976 Sunbird and I am starting to plan out my build. The current plan is an LS3 (480hp) and a TH350. I am interested in upgrading the stock 7.5" 10-bolt to hold up with this combo. I was thinking of either beefing up the stock unit with 3.73 posi and other items or upgra...