The initial automatic transmission to use a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was released for the 1948 product year. In standard driving, the Dynaflow utilized only the best gear, depending on the torque multiplication with the torque convertor at lessen speeds. The https://gearbox-auto63951.tkzblog.com/33935207/5-simple-statements-about-gearbox-auto-explained