If your rig began as a torquey, V-8–powered truck, a set of bigger tires may not have phased it. But after adding hulking 34-inch Toyo Open Country rubber to our FJ Cruiser, it was clear the factory 3 ...

Axle gearing has come a long way from one-size-fits-all setups. Today's axle gear sets are engineered with precision to deliver performance, efficiency and reliability. Meritor's high-efficiency axles ...

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- ...

Higher, lower, taller, shorter, more, lesshow do you have any idea what guys are talking about when it comes to rear-axle gears? It's confusing, because the slang seems to contradict the math.