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 ...
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 ...