Limited slip differentials transmit equal torque to both wheels when driving straight. However, when one wheel spins due to loss of traction, a patch of ice, mud, too much throttle, etc., then the unit automatically provides more power to the wheel that has traction. Highly effective for daily driving and works well in rain, mud and snow. However, in situations where absolute lockup is needed, a limited slip is not the best choice due to the fact that limited slips do slip in some situations. An example of it slipping would be with one tire in the air. This does not provide enough resistance and the differential acts like it's open or standard counterpart. From the factory many Jeeps were equiipped with a Dana Trac-Lok limited slip units.
Limited slips generally are a driven by a series of clutch disc located behind the side gears. The different disc are held under tension with springs. As the slip increases the tension increases between the different layers of disc and provides resistance to limit the slip between the wheels. A draw back to this is that they need to be rebuilt as they do wear and their effectiveness diminishes over time. A special additive is also needed for the differential fluid to enable the clutches to work properly and to keep them from chattering during normal turns.
Another form is using a gear drive that uses parallel axis, planetary helical cut gears inside the case provide a smooth and quiet automatic division of roque. The gear driven limited slips such as the Detroit Trutrac often operates while being unoticed by the vehicle driver. Under normal conditions the gear driven limited slips operates like a normal open differential. The Trutrac can transfer 3.5 times more torque to the high traction wheel than a conventional clutch driven limited slip. The torque is transfered by the pressure being exerted by the side gears and the helical cut pinion gears againts the case. This pressure then makes the high traction side turn with the ring gear giving the vehicle momentum to move.
The following parts require additional handling charges due to their large size or
weight: wheels, tires, full suspension lift kits, oversized bumpers, tire carriers, body tubs, hard tops
and cargo racks. The following parts do not qualify for free shipping: Oversized items and items
delivered by truck freight, as well as prior purchases and returns.
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Throughout this web site all the preceding marks & logos are used for identification purposes only. Quadratec has no affiliation with the FCA, MOPAR®, General Motors Company, Ford Motor Company, Suzuki Motor Corporation or Isuzu Motors Limited. It is not implied that any part listed is a product of, or approved by FCA, General Motors Company, Ford Motor Company, Suzuki Motor Corporation or Isuzu Motors Limited.
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* Free Shipping Special Offer Details
To qualify for FREE shipping the parts on an individual order must meet a combined total value of $75 or more. Customer must select Standard Shipping in the checkout and ship to an address in the contiguous 48 United States. Some parts require additional handling charges due to their large size or weight: including wheels, tires, full suspension lift kits, oversized bumpers, tire carriers, body tubs, hard tops, cargo racks, winches and hitches. Oversized items, items that are delivered by truck freight, prior purchases and returns do not qualify for free shipping.