The very first automatic transmission to implement a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was launched with the 1948 model 12 months. In typical driving, the Dynaflow utilized just the best equipment, depending on the torque multiplication with the torque convertor at reduced speeds. https://gearboxauto54084.bloggerbags.com/39457131/gearbox-auto-can-be-fun-for-anyone