The 1st automatic transmission to employ a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was released for that 1948 design yr. In regular driving, the Dynaflow utilized just the top rated equipment, relying on the torque multiplication of your torque convertor at decreased speeds. https://gearbox-auto96294.dreamyblogs.com/34507741/rumored-buzz-on-gearbox-auto