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 ...

Back in the '80s, General Motors introduced the Turbo 200 automatic overdrive transmission. Despite its use in the mighty Turbo V6 Buick, its failures in earlier applications gave it a bad reputation.

It was a matter of necessity the GM Turbo-Hydramatic 700-R4 transmission ever happened at all. GM’s powertrain engineers were handed a challenge amid higher fuel prices and tougher government ...