The initial automatic transmission to make use of a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced with the 1948 design year. In ordinary driving, the Dynaflow made use of only the major equipment, counting on the torque multiplication on the torque convertor at https://gearboxauto74184.blogdiloz.com/33139907/details-fiction-and-gearbox-auto