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Truetrac Limited Slip Rear (8") V6 or 4cyl Turbo
Truetrac Limited Slip Rear (8") V6 or 4cyl Turbo



 
Our Price: $549.95

Part Number: 1091039
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Features
 
Features
Truetrac Limited Slip Rear (8") V-6 or 4 Cylinder Turbo


Detroit Truetracs are similar in design to the Gleason Torsen, only the Truetracs hold up well with reasonably tall tires. They use worm wheel gears that work on the same principle as a worm gear. When the unit is loaded, the worm wheels are forced away from each other and against the case. They develop locking torque by the light friction between the worm wheels and the case. This light friction is multiplied by the ratio of the worm wheel which depends on the size of the worm wheel relative to the size of the side gear. The manufacturer can change the amount of torque biasing or lockup by simply changing the diameter of the gears, or the pitch and spiral of the teeth. A larger difference in the size for the worm wheels and side gears (smaller worm wheels and larger side gears) will increase the lockup force. Increasing the pitch and spiral of the teeth will also increase the lockup forces.

Like everything, there is a limit as to how much lock-up force is reasonable. Making the unit too "aggressive" will cause tire scrub during everyday driving and will cause the unit to wear out too quickly. This unit works very well for mud and snow, while going unnoticed during every day driving. When used in situations like rocky trails where one wheel gets off the ground, the unit will not lock up 100%. Light application of the brakes will help the differential engage more transferring power to the tire that is still on the ground. For extreme situations where the vehicle will have one wheel in the air often a locking differential provides better power transfer to the wheel on the ground.

Detroit Truetracs are designed for medium duty 2WD and 4WD applications. They work well in the front and rear, and are so smooth that there is little or no hint of resistance in the steering wheel when used in front drive steering axles. Like the Gleason Torsen, the Detroit Truetrac does not bang or clunk, has no clutch chatter, does not wear out like clutch type positractions, does not need limited slip additive, and needs no preload or clearance adjustments. Not recommended for street applications.

Almost sounds too good to be true, doesn't it? The only drawbacks to the Truetracs are their inability to provide 100% lock-up like a locking differential can. Even though Gleason no longer makes the Torsen differentials, the Detroit Truetrac is a proven design that is available for many popular applications.

*WILL NOT FIT ANY TACOMA DIFFERENTIAL. TACOMAS USE 8.4" DIFFERENTIAL GEAR SET, THIS WILL ONLY FIT ON 8" REAR DIFFERENTIALS ON EARLY TURBO 4-CYLINDER OR V6 PICKUP TRUCKS AND 4RUNNERS.


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