I am looking into upgrading the rear end on my 72 Cutlass Supreme. factory 350 2 barrel car with i believe open 2.73. Would like to go with 3.42 or similar rear gear and posi to not make driving on the highway unbearable. automatic 350 transmission.
What are the options for posi units? I am ...
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- Fri Feb 25, 2022 9:16 pm
- Forum: 10 Bolt Differential Questions
- Topic: 72 Cutlass Posi Options
- Replies: 2
- Views: 47509