The main automatic transmission to work with a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was launched for the 1948 model calendar year. In standard driving, the Dynaflow utilized only the prime equipment, counting on the torque multiplication on the torque convertor at decrease speeds. https://stephencgecz.oblogation.com/33319043/not-known-facts-about-gearbox-auto