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, ...

To make this gear ratio comparison possible, we used a car equipped with a 9-inch Ford housing and had Drivetrain Warehouse set up three centersections with 3.00, 3.50 and 4.11 gearsets. We also used ...

A few weeks ago, I went to the amazing Auburn Cord Duesenberg Automobile Museum in Indiana, where I learned about an axle that has not just one gear ratio like in pretty much all modern cars, but two.

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 ...

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 ...

Mad Maxxis RatiosI like seeing all the radical rides in the magazine. Everything I own is four-wheel-drive except my welder, but I'm working on that! I was reading “Mad Maxxis Off-Road Runner” and ...

Why is the Gear Vendors overdrive so popular on HOT ROD Drag Week? Racers know it will live behind 4,000 hp, can be installed in a weekend, and doesn't share fluid with your transmission so it won't ...

Duck for cover! It's raining planetaries! In an era when six-, seven-, and eight-speed automatic transmissions are becoming commonplace, it won't be long before planetary assemblies start ...