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WTB: 3.90 or 3.91 open Differential


doza59

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5 hours ago, doza59 said:

Looking to buy a 3.90 open differential in good working order from a 1976 model year for 5 speed conversion. 

 

Thanks.

Doza. 

 

 

Doza,

 

The 3.90 open differential had 10 pinion teeth, 39 ring teeth, but seems to have only been used on 49-state 1976 2002’s. If you’d like to expand your pool of candidates, 3.91 open differentials, 11 pinion teeth, 43 ring teeth, were used on e21 cars from 1975 through 1983. They are easily interchangeable with the ‘02 units.

 

Good luck,

 

Steve

 

 

 

 

Edited by Conserv

1976 2002 Polaris, 2742541 (original owner)

1973 2002tii Inka, 2762757 (not-the-original owner)

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