I think we all know what a differential looks like, but actually figuring out what all those little gears do can be a little tricky. We all know they turn at different speeds—but why? And when? And ...

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 ...

As confused as Blue Oval and Mopar fanatics may be in their misguided hot rodding proclivities, at least they know a good automatic transmission when they see one. How else can you explain the ...

Jim Walker of Transmission Specialists checks parts for installation. All parts in above shot were required to adapt '52 Hydra-Matic to the '56 Chevy V8. We've just found out how to have your cake and ...