Understanding the factors that influence worm gear reducers’ performance will lead to more cost-effective and efficient ...

The optimal gear ratio depends on how the engine fits the intended use of the boat. Courtesy Yamaha In every boat test we run, we include certain specs that we feel are valuable to our readers. Some ...

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.