Our 5,400-pound, 400hp 4x4 has chewed through no less than four 4L60E four-speed automatic transmissions in less than a decade. The failures have included: a smoked torque converter clutch, which ...

To handle great amounts of horsepower generated by large-displacement engines, a vehicle requires a robust and solid transmission to ensure it can effectively distribute said power to the wheels. That ...

Building a trail rig is a never-ending series of compromises. Balancing power and fuel economy, durability and weight, and dirt-ready suspension with civil road manners are trade-offs any builder ...

When a 4L60 won't cut it and a Turbo 400's lack of overdrive has your engine howling on the highway, a 4L80E might be the solution to your transmission woes. Tracing its roots to the Turbo-Hydramatic ...

In lockstep with the beating drum of “more power” is one of the top aftermarket automatic transmission rebuilders in the industry—Gearstar Performance Transmissions of Akron, Ohio. As breakthroughs in ...