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Old 03-12-2007, 08:56 PM
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2KWIK4U 2KWIK4U is offline
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Join Date: Jan 2004
Location: McAlester, Ok
Cobra Make, Engine: Lonestar LS427, Keith Craft 496 Genesis, 649 hp, 668 ft-lb, TKO-600, Dynatek Stack EFI
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Corey,
It's almost impossible to tell if its a posi without tearing it down. The True-Trac carrier for the 9" will act as an open diff, since there are no clutch discs internally, only helical gears. It won't lock up until a sufficient torque is recognized between the axles. The best way to tell is to nail it!!. If you leave two black marks, it's a posi or some type of limited slip.

Brad W.
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