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Universal Joint

The Universal joint (U-joint) is used to connect the Drive Shaft to the Transmission output shaft and the Differential pinion gear shaft. This joint must be flexible enough to allow changes in the driving angle (road incline) and the drive shaft. This way, the torque is constantly transmitted when the rear axle is moving up and down. Smaller U-joints are used to route the turning motion of the steering wheel through the steering column to the steering box.


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Click for detailed Universal Joint information

Unleaded Gasoline

Gasoline without tetra ethyl lead or any other lead compound as an additive to increase octane rating or to reduce knock or detonation tendencies of the fuel. The elimination of such additives is one reason for the lowering of compression ratios. Most new vehicles sold require lead-free gasoline.



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