The 1st automatic transmission to implement a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was released to the 1948 product year. In standard driving, the Dynaflow employed only the major gear, relying on the torque multiplication with the torque convertor at decreased speeds. The https://chancerspnl.blogrenanda.com/39923888/rumored-buzz-on-gearbox-auto