The first automatic transmission to make use of a torque converter (as an alternative to a fluid coupling) was the Buick Dynaflow, which was launched with the 1948 product 12 months. In ordinary driving, the Dynaflow utilized only the prime equipment, depending on the torque multiplication of the torque convertor https://gearboxauto97428.kylieblog.com/34336865/gearbox-auto-an-overview