The very first automatic transmission to make use of a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was released with the 1948 design yr. In typical driving, the Dynaflow employed just the top rated gear, relying on the torque multiplication of your torque convertor https://troyvzazx.onesmablog.com/how-gearbox-auto-can-save-you-time-stress-and-money-74399966