Long before automatic transmissions like the 4L60E earned such bad reputations, General Motors entrusted the Turbo Hydra-Matic family to handle shifting duties in its legendary lineup of muscle cars.

If you drive it, it will break. Whether it's slip, drip, or an inconvenient bang, every automatic transmission will eventually fail. Much like pistons, rings, wheels bearings, and brake pads, ...

As robust as the GM TH400 transmission is, years of aggressive use will still take their toll. High torque, low gearing, and off-road romping can eventually manifest in the form of a cracked ...

It all started a couple of years ago when I ran across a pretty solid '60 Catalina at a car show I was covering up in Colorado. At the time my wife, Candy, had tired of the uncompromising buggy-sprung ...

Just like a quick stroll through the cruise night parking lot will confirm the dominance of GM overdrive automatics on the street, walking down the staging lanes of any dragstrip will reveal an ...