The initial automatic transmission to use a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced with the 1948 product yr. In typical driving, the Dynaflow utilized only the prime gear, counting on the torque multiplication of your torque convertor at reduced speeds. The Dynaflow https://gearboxauto54074.blogaritma.com/32431128/new-step-by-step-map-for-gearbox-auto