Moser Engineering Detroit Truetrac 12 Bolt Chevy Car- 4 Series - 33 Spline 

Part Number: 5TT575

 

Mfg. #: 914A575
Application: GM 12 Bolt (Car)
Ring Gear Diameter: 8.875"
Carrier: 4 - Series (4.10:1 and numerically higher)
Side Gear Spline: 33 Teeth
Model Years: 1964-72
Bearing Cone: LM603049
Bearing Cup: LM603012

 

Detroit Truetrac

The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics.

Operation

The Truetrac operates as a standard or open differential under normal driving conditions, allowing one wheel to spin faster or slower as necessary. When a wheel encounters a loss of traction or the terrain changes, the gear separation forces take effect and transfer torque to the high-traction wheel. The helical-shaped gears mesh with increasing force until wheel spin is slowed or completely stopped. When the vehicle exits the low traction situation, the differential resumes normal operation.

Performance

Operation of the Truetrac is smooth, quiet and automatic. The unit will engage without any driver knowledge or action required. It also has no wearable parts and requires no maintenance,

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