The initial automatic transmission to use a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was launched for that 1948 product yr. In ordinary driving, the Dynaflow employed just the top gear, counting on the torque multiplication of your torque convertor at lower speeds. The Dynaflow https://gearbox-auto75308.loginblogin.com/40936635/how-gearbox-auto-can-save-you-time-stress-and-money