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, ...

Every Chevy II Nova owner in the world knows the feeling of a "slip 'n' slide" two-speed transmission. That's because the only option with those early cars ('62-67) was a Powerglide, unless the ...

Swappers have been inquiring how the new-generation GM automatics compare to the traditional TH-350, TH-400, and Powerglide trannys. Some want to swap the new 4-speed overdrive automatics into older ...

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, ...