The main automatic transmission to work with a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was released with the 1948 design year. In typical driving, the Dynaflow utilized only the top gear, relying on the torque multiplication of the torque convertor at reduce speeds. The https://gearboxauto43073.blogars.com/33031416/rumored-buzz-on-gearbox-auto