Discussion in 'Parts wanted' started by gabrielquinn, Jan 12, 2022.
Looking for a 3.91 posi Differential gears/pumpkin for a 71 Buick Riviera
Unubtainium,fab a Ford 9 inch to fit never look back.
Im a unicorn hunter...
Still looking! hehehe.
Such a unicorn does not exist.
I believe a 3.42 gear was the highest ever made to fit the Riviera.
https://www.v8buick.com/index.php?threads/9-3-8-rear-differences.71740/