Ford Secrets

for the LSD of the G body era they both work based on friction

By definition that is not a torque sensing differential, a torsen doesn't use friction.

Via the google machine I cannot find a torsen defined as anything other than a diff using worm gears to split torque between wheels.


TORSEN DIFFERENTIAL:​

The Torsen (Torque – Sensing) differential employs the use of some clever gearing to produce the same effect as a limited Slip Differential without the need for clutches or fluid resistance.

It achieves this by adding a layer of worm gearing to the traditional gear set up of an open differential. These sets of worm gears acting on each axle provide the resistance required to enable torque transfer, which it then achieves by having the worm gears in constant mesh with each other via connected spur gears.



Differential, Torsen - MAT Foundry
Torsen Differential Design - MAT Foundry
Torsen Differential - MAT Foundry
The first and second images show the three pairs of worm gears meshed with each half of the axle - with the spur gears at the end of each worm connecting the pairs. It's this connection that transfers torque from one wheel to the other, once one axle begins rotating faster than the other. While the first and second images are of the orginal torsen design, the third image is of the second version of the torsen differential. The newer design repositioned the worms gears to be inline with axles but still perform the same mechanical action. Each worm gear is still in contact with its pair, and only one side of the axle with spaces in the gear removing the mesh with the other side.


The constant mesh between the two sides of the differential has the added benefit of transferring the torque immediately, making it extremely responsive to changing road and driving conditions.

Whereas an open differential always has to split it’s torque split 50/50 between each wheel, the Torsen differential is capable of directing a greater percentage of torque through one wheel depending on the ratios of the gears. This removes the power limitation that open differentials suffer because the amount of torque available is not being limited by the amount traction in either wheel.

Furthermore, the gearing can also be machined in such a way as to impart a different ratio of resistance when accelerating and decelerating in the same way a one and half way limited slip differential does.

This all achieved mechanically without the use of electronics or any form of perishable part being sacrificed for friction, and overall the Torsen differential is the superior mechanical system that combines the primary benefits of all the previous differential types listed.
 
 
The rear differential can be locked on the fly. The front axle is equipped with a new Dana limited-slip differential. In off-road driving modes, one front brake is automatically applied to a wheel in the air to direct torque to the opposite side.

that a scam calling it a rock crawler then.....Dana used that method on Jeeps I have had and it's useless. The rear has an E locker, the should have use that in the front or even locking hubs
 
By definition that is not a torque sensing differential, a torsen doesn't use friction.

Via the google machine I cannot find a torsen defined as anything other than a diff using worm gears to split torque between wheels.


TORSEN DIFFERENTIAL:​

The Torsen (Torque – Sensing) differential employs the use of some clever gearing to produce the same effect as a limited Slip Differential without the need for clutches or fluid resistance.

It achieves this by adding a layer of worm gearing to the traditional gear set up of an open differential. These sets of worm gears acting on each axle provide the resistance required to enable torque transfer, which it then achieves by having the worm gears in constant mesh with each other via connected spur gears.



Differential, Torsen - MAT Foundry
Torsen Differential Design - MAT Foundry
Torsen Differential - MAT Foundry
The first and second images show the three pairs of worm gears meshed with each half of the axle - with the spur gears at the end of each worm connecting the pairs. It's this connection that transfers torque from one wheel to the other, once one axle begins rotating faster than the other. While the first and second images are of the orginal torsen design, the third image is of the second version of the torsen differential. The newer design repositioned the worms gears to be inline with axles but still perform the same mechanical action. Each worm gear is still in contact with its pair, and only one side of the axle with spaces in the gear removing the mesh with the other side.


The constant mesh between the two sides of the differential has the added benefit of transferring the torque immediately, making it extremely responsive to changing road and driving conditions.

Whereas an open differential always has to split it’s torque split 50/50 between each wheel, the Torsen differential is capable of directing a greater percentage of torque through one wheel depending on the ratios of the gears. This removes the power limitation that open differentials suffer because the amount of torque available is not being limited by the amount traction in either wheel.

Furthermore, the gearing can also be machined in such a way as to impart a different ratio of resistance when accelerating and decelerating in the same way a one and half way limited slip differential does.

This all achieved mechanically without the use of electronics or any form of perishable part being sacrificed for friction, and overall the Torsen differential is the superior mechanical system that combines the primary benefits of all the previous differential types listed.

Eaton makes True Trac and Torsen makes torsen.
 
Eaton makes True Trac and Torsen makes torsen.

I believe Torsen makes Torsen, not torsen. I had a T2R and they have less of an issue with durability that the Truetracs do in the Camaros. Lower case torsen is not a brand or a model from what I understand and the provided link supports this.
 

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