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 ...

GM's 4L80E overdrive automatic is the latest in a continuing legacy of rugged Turbo-Hydramatic transmissions from Chevrolet. Fifty years ago, the TH350 and the TH400 transmissions were a new ...

This 1997 Chevy Suburban has a 5.7-liter engine, 6-inch suspension lift, and 35-inch tires. The truck is regularly used off-highway and to tow trailers. It also has a propensity for killing its 4L60E ...

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 ...