Chevrolet's Powerglide transmission hasn't been made in over half a century, but drag racers still love and use it. Here's why it's still around.

Duck for cover! It's raining planetaries! In an era when six-, seven-, and eight-speed automatic transmissions are becoming commonplace, it won't be long before planetary assemblies start ...

The Powerglide transmission used in Chevrolets and some other General Motors automobiles was introduced in 1950. While it wasn't the first automatic transmission, its simple design made it an ...