The 1st automatic transmission to utilize a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was launched for that 1948 product yr. In standard driving, the Dynaflow utilised only the prime gear, depending on the torque multiplication of your torque convertor at lower speeds. The Dynaflow https://gearboxauto63184.buyoutblog.com/33767311/gearbox-auto-secrets