What are gear ratios? How does a fishing reel gear ratio work? What should I know? I quickly walk you through what a fishing ...

Vehicle speed (mph), engine speed (rpm), tire diameter (inches), trans gear ratio, and rear axle gear ratio are all interrelated. If you know four out of five of these values, you can determine what ...

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- ...

We cherish the brutal dragstrip launch that deep rear-axle gears can provide, but we tend to bitch once we hit the open road and find the tach wagging at 4,500 rpm just to keep up with traffic.