Differences in the track, tire sizes, class rules, and other factors can cause you to rethink your selection of gears, possibly from week to week and even from the beginning to the end of an event (in ...

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- ...

"Give me a lever long enough and a fulcrum on which to place it, and I shall move the world." — Archimedes (287- 212 B.C.) On the street, everything is a compromise. Power is now easier to make than ...

The axle connects two or more of a vehicle's wheels to the same axis, whether on the front or back, and depending on how it's configured, the performance of your ride can vary greatly. Furthermore, ...

Optional axle ratios can tailor pickup truck power and efficiency to suit your needs as long as the gearing keeps the engine in its torque sweet spot. Often overlooked, optional gear ratios play a key ...

Muscle cars have long captured the imagination of automotive enthusiasts with their powerful engines and sleek designs. However, a lesser-known aspect that further enhances their performance is the ...

STATING that improvements can be made in the smoothness, flexibility and economy of motor-cars by the provision of axle ratios and transmission steps that will make high road-speeds possible with ...

It can be argued that there's no bigger bang-for-the-buck performance upgrade than new axle gears. Auto manufacturers are tasked with building a vehicle that is optimized for both highway efficiency, ...