The main automatic transmission to work with a torque converter (as an alternative to a fluid coupling) was the Buick Dynaflow, which was released with the 1948 design 12 months. In typical driving, the Dynaflow utilized just the top gear, relying on the torque multiplication of the torque convertor at https://gearbox-auto42974.webbuzzfeed.com/34295090/5-easy-facts-about-gearbox-auto-described