The primary automatic transmission to employ a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was launched to the 1948 product yr. In standard driving, the Dynaflow utilized only the leading gear, depending on the torque multiplication in the torque convertor at lessen speeds. The Dynaflow https://gearboxauto07529.thezenweb.com/5-easy-facts-about-gearbox-auto-described-71669688