The initial automatic transmission to make use of a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was released to the 1948 model 12 months. In regular driving, the Dynaflow utilised just the top rated gear, relying on the torque multiplication of your torque convertor at https://sergiopadec.blogolize.com/helping-the-others-realize-the-advantages-of-gearbox-auto-73176541