The main automatic transmission to use a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced to the 1948 design calendar year. In ordinary driving, the Dynaflow utilised only the best gear, counting on the torque multiplication of the torque convertor at reduced speeds. The https://gearbox-auto59023.blogpixi.com/34043251/the-basic-principles-of-gearbox-auto