Add Yahoo as a preferred source to see more of our stories on Google. Long before automatic transmissions like the 4L60E earned such bad reputations, General Motors entrusted the Turbo Hydra-Matic ...

With all the emphasis on g-machines, 17-inch wheels and making vintage cars handle like new ones, sometimes it's easy to lose sight of the street-strip cars that still make up a huge portion-perhaps ...

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 ...

There are few things in the world of high-performance cars that are truly reliable. One would have to be the GM TH400 automatic. As durable as this three-speed juicebox is, there is still room for ...

For years we got by with two- and three-speed automatic transmissions, but one of the biggest factors in improving driveability was the introduction of overdrive transmissions. While it's possible to ...