The first automatic transmission to implement a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was launched for your 1948 model calendar year. In ordinary driving, the Dynaflow applied only the top equipment, depending on the torque multiplication of your torque convertor at lessen speeds. https://stephenxhlor.blogspothub.com/33247339/not-known-facts-about-gearbox-auto