Auburn
Upgraded to the Auburn HP posi a few years ago and have no issue, even with my factory
3:08 gearing. Had an open factory carrier up to 72,000 miles. swapped to auburn posi and have been happy with it for 5,000 miles. yes I do not race or see any track time.
I have used factory auburn additive and Valvoline gear lube.
Gerry
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1968 Firebird 400, 068 cam, TH400 & 13" Continental Converter, Auburn posi with 3:08 factory gears, Cliff's Q-jet resting on a 68 factory iron intake, GM HEI and Ram Air pans and RARE Long Branch Manifolds
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