The main automatic transmission to employ a torque converter (as opposed to a fluid coupling) was the Buick Dynaflow, which was released to the 1948 design calendar year. In typical driving, the Dynaflow utilized only the best equipment, depending on the torque multiplication of your torque convertor at reduced speeds. https://dallassxxvt.blogdun.com/34813204/rumored-buzz-on-gearbox-auto