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A limited slip aka posi trac (chevy term) differential aka diff senses when your tires are 'slipping' more than they should for turning, and lock the wheels together, forcing them both to turn, putting more power to the pavement and letting your car accelerate faster, or helping you get out of a ditch or mud hole, the old style rear differentials were well know to leave you stranded in ditches and mud because which ever wheel had less traction would spin, and the one that had traction would 'slip', leaving you stuck. hope this helped with your question.

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14y ago

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Related Questions

Does a 1995 z28 have posi trac?

If you mean "limited-slip", yes


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The 2010 Dodge Challenger can be equipped with a limited-slip differential, commonly referred to as "Posi-Traction" or "Posi-Trac." However, this feature is not standard on all models; it typically comes as part of specific performance packages or options. To confirm whether a specific 2010 Challenger has this feature, you would need to check the vehicle's specifications or options list.


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How can I tell if my differential is a posi trac?

Jack one side of the car until the tire is free to turn. If it will not rotate with the trans in neutral (brakes released), the differential is a (sure grip) (limited slip). If the wheel rotates it indicates an 'open' differential..Jack one side of the car until the tire is free to turn. If it will not rotate with the trans in neutral (brakes released), the differential is a (sure grip) (limited slip). If the wheel rotates it indicates an 'open' differential..


How does posi trac work in a Plymouth?

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