The very first automatic transmission to employ a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was introduced for that 1948 design year. In ordinary driving, the Dynaflow used just the major equipment, depending on the torque multiplication of your torque convertor at decrease speeds. https://gearbox-auto98529.bloginwi.com/67840259/top-guidelines-of-gearbox-auto