The main automatic transmission to implement a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was released to the 1948 model calendar year. In typical driving, the Dynaflow used only the major gear, depending on the torque multiplication with the torque convertor at reduce speeds. The https://gearboxauto97418.blog5.net/78221560/rumored-buzz-on-gearbox-auto