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 ...

Face it, this is the golden era for horsepower. But that added power puts even more pressure on the rest of the driveline, and no more so than on the transmission. The good news for GM fans is that ...

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 ...

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 ...