The powers that be at General Motors and Chevrolet wanted the simple, two-speed gearbox to be a cost-cutting means of getting an economical automatic transmission into Chevrolet cars like the Bel Air, ...

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 ...

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.

The '63 and later aluminum Powerglide transmission is quickly becoming the most popular automatic for bracket racing, class drag racing (where legal), street machines, street rods and mileage ...

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 ...