The primary automatic transmission to employ a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was released to the 1948 design year. In normal driving, the Dynaflow used only the leading equipment, counting on the torque multiplication on the torque convertor at reduced speeds. The Dynaflow https://gearboxauto74206.bloggadores.com/33003529/gearbox-auto-an-overview