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 design 12 months. In normal driving, the Dynaflow employed just the top equipment, relying on the torque multiplication on the torque convertor at lessen speeds. https://gearbox-auto54174.daneblogger.com/33218948/gearbox-auto-can-be-fun-for-anyone