The first automatic transmission to make use of a torque converter (as an alternative to a fluid coupling) was the Buick Dynaflow, which was released for the 1948 model year. In typical driving, the Dynaflow employed only the best gear, relying on the torque multiplication of the torque convertor at https://gearboxauto28394.diowebhost.com/89121843/top-latest-five-gearbox-auto-urban-news