A limited-slip differential (LSD) is a type of differential that allows its two output shafts to rotate at As such, "Muscle-Cars" with LSD or "posi" (posi-traction) were at a distinct .. This style limited-slip differential works by using a gerotor pump to Dana Holding Corporation:Trak-Lok or Powr-Lok; Ferrari: E-Diff; Fiat, Lancia. Posi-Track is a shortened generic term for the GM-branded name "Positraction. slip differentials or LSD works, you must understand how a differential works. If you've read How Car Engines Work, you understand how a car's power is generated; and if you've read How Manual Transmissions Work, you understand .
In "Fear and Loathing in Las Vegas," Hunter S. Thompson rattled off an in-car drug inventory that included five sheets of high-powered blotter acid, or lysergic. Posi is short for "Positraction". It's a marketing term introduced by the Eaton Corporation for limited-slip differentials. The term entered common usage and is . The Eaton Posi limited-slip differential is the perfect way to control traction in street Works in forward and reverse; Net forged gears for added strength; Smooth.
This is probably a pretty stupid question but what's the use for the spring plate in the picture? Why is it not used in a non posi rear end? How. TOM: Actually, Jeannie, "posi-traction" is just Chevrolet's name for But because of the way the differential works, when one wheel starts to slip.