The very first automatic transmission to utilize a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was released for that 1948 model 12 months. In normal driving, the Dynaflow employed just the major equipment, depending on the torque multiplication of your torque convertor at reduce speeds. https://gearboxauto08528.blogsmine.com/34588795/not-known-facts-about-gearbox-auto