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, ...

When it comes to gears and rears, many concentrate on the high-end, bulletproof differential and axles-and for good reason. When it comes to the transfer of horsepower and torque, a vehicle's rear ...

Drag racing is all about overkill: Too much horsepower is never enough. The drivetrain takes all the gaff, so racers tend to it with Brooklyn Bridge-like structures to keep from scattering parts all ...