The first automatic transmission to utilize a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was introduced for the 1948 model year. In regular driving, the Dynaflow utilized only the best gear, relying on the torque multiplication from the torque convertor at decrease speeds. The https://gearboxauto60258.verybigblog.com/32883084/5-essential-elements-for-gearbox-auto