The initial automatic transmission to use a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was launched for the 1948 design year. In normal driving, the Dynaflow used just the prime equipment, relying on the torque multiplication on the torque convertor at lessen speeds. The https://gearbox-auto31749.get-blogging.com/34678033/new-step-by-step-map-for-gearbox-auto