The first automatic transmission to use a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced for your 1948 design calendar year. In ordinary driving, the Dynaflow employed just the prime gear, counting on the torque multiplication with the torque convertor at decreased speeds. The https://gearbox-auto14568.blogthisbiz.com/40592743/the-basic-principles-of-gearbox-auto