The first automatic transmission to employ a torque converter (as opposed to a fluid coupling) was the Buick Dynaflow, which was introduced for that 1948 design calendar year. In standard driving, the Dynaflow utilized just the prime equipment, counting on the torque multiplication of your torque convertor at lower speeds. https://messiahostqn.qodsblog.com/34170667/the-5-second-trick-for-gearbox-auto