Anti-slip differentials, also known as limited-slip differentials, are designed to combine the benefits of both open and locked differentials. Although they are less common compared to open differentials, they provide significant advantages in various driving conditions. These differentials were available as a factory option and are also popular as aftermarket upgrades.
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Functionality in Normal Conditions
In most driving conditions, an anti-slip differential behaves like an open differential. When both wheels have equal traction and the vehicle is not turning, the differential spins both wheels at the same speed with an equal amount of torque. This is how vehicles with limited slip differentials are able to do burnouts.
Performance in Poor Traction Conditions
The true advantage of an anti-slip differential becomes evident in conditions with poor traction, such as snow, ice, or mud. In these scenarios, when one wheel has less traction than the other, the differential transfers more torque to the wheel with better traction. This feature makes limited-slip differentials superior to open differentials in providing extra traction to the wheels.
Comparison with Lockers
Despite their advantages, limited-slip differentials do not offer as much traction on uneven surfaces like mud and rocks compared to lockers. Lockers provide the maximum traction by combining the benefits of both an open differential and a spool/locker, making them ideal for off-road conditions.
Conclusion
Overall, anti-slip differentials offer a balanced solution for most driving conditions, enhancing vehicle performance and safety. While they may not be as common as open differentials on certain models, their capability to manage torque distribution effectively makes them a valuable upgrade for those seeking improved traction and handling.