I just bought a 12 bolt rear for the 67/72 A- Bodys ,it has a 2:73 gear/positraction setup, will I be able to use this posi unit with say a 3.55 gear? I've seen listings that say 2:73 to 3:73 use the same unit. another one says 3:08 to 3:73 which is correct? 
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1966 Lemans, 3700Lbs, 406 ci, #96 Heads, Crane 467/494 cam, RPM Intake, Q-Jet, 11 inch Converter, 3:90 gears, 3 inch exhaust, Best ET 12.62@107 MPH 414ci shortblock coming soon!
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