There was a time when automatic transmissions had all kinds of unique names-Cruise-O-Matic, Hydra-Matic, Ultramatic, and the list goes on. But while the names were different, the basic operation was ...

Automatic shift transmissions were first introduced on a broad scale in the late 1930s, and while they were a novelty for many years, today they are very near a standard piece of equipment on most ...

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 ...