The initial automatic transmission to employ a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was launched to the 1948 design 12 months. In usual driving, the Dynaflow utilised only the prime equipment, relying on the torque multiplication of your torque convertor at decrease speeds. https://gearbox-auto31963.ttblogs.com/13446783/not-known-details-about-gearbox-auto