Automatic transmissions are now used in most street machines, street rods, off-road vehicles, and drag race cars. With the addition of recalibration kits and new forward and reversed valve bodies, ...

Jack Hardgraves had had enough. A friend bought a Thunderbird “and proceeded to humiliate Jack in front of the crowd at the local dragstrip Sunday after Sunday. The gap wasn’t big, but it was there, ...

When you consider how important the functionality of a shifter is when operated behind a high-performance engine, then figure in the aesthetic and tactile impact on your senses, it's a wonder they don ...

The Chevrolet Power-glide transmission, in-troduced for 1950, was not the first automatic transmission in the General Motors family. But it certainly has been the most enduring. The Powerglide is ...