The 1st automatic transmission to employ a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was released with the 1948 design year. In normal driving, the Dynaflow used just the prime gear, relying on the torque multiplication of your torque convertor at decreased speeds. The https://gearboxauto34678.vblogetin.com/39499320/gearbox-auto-an-overview