The primary automatic transmission to work with a torque converter (as opposed to a fluid coupling) was the Buick Dynaflow, which was launched for your 1948 model year. In typical driving, the Dynaflow employed only the top rated gear, depending on the torque multiplication from the torque convertor at decrease https://collinrwvsn.digitollblog.com/33962037/top-guidelines-of-gearbox-auto