For part two of our series about transforming Jared Lehenbauer’s new-to-him ’01 Ford F-250 into a truck that’s better suited to his needs, we’re detailing how to select the correct gear ratio for two- ...

Building your 4x4 can be one of the most enjoyable and rewarding adventures that you will ever take. While we understand that not everyone is a master fabricator, simply getting to know the basics of ...

Engine capacity, transmission speed, and drivetrain options are important factors when shopping for a pickup truck. But there is one area that shouldn’t be overlooked, and that’s choosing the right ...

Axle gearing plays a critical role in vehicle performance. It determines how efficiently engine power is delivered to the wheels, which directly impacts fuel efficiency, torque, acceleration, and the ...

Engineering legend has it that Atlas, doomed to perpetually bear the weight of the world on his shoulders, lamented, "Give me a lever long enough, and I can move the world." Atlas realized that levers ...

The transmission for most vehicles can be configured according to the scheme presented here. Such a transmission may be ...

In 1946 the Tucker Automobile advertised a drive system that eliminated the need for a rearend. They put the engine in the rear mounted sideways so that the crankshaft rotation and the wheel rotation ...