Captainkirk
Old School Mopar Warrior
I believe I have a 3.91 posi in my '72 340 Duster; how can I positively ID this rear end?
3.91 posi
- Thread starter Captainkirk
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GoodysGotaCuda
Mr. Goody
is the car driveable? do you have a tach? you can figure it out easily by RPM for MPH in 3rd gear. A side note. Mopar Limited Slip = SureGrip, GM = Posi lol
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