Edmunds Answers



  • karjunkie 11/30/08 11:28 am PST

    Positraction is a type of limited slip differential and is a term that is used very loosely as another name or description for limited slip differentials. A positraction is not more aggressive than a limited slip or vice versa. The name "positraction" was used by General Motors in the 1960's for their limited slip differential and the name has been associated with limited slips for many years. Two main types of LSD are commonly used on passenger cars; torque sensitive (geared or clutch-based) and speed sensitive (viscous/pump and clutch pack). They both do the same thing: distribute more force to the tire that has more traction.


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