The first automatic transmission to implement a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was introduced with the 1948 product 12 months. In typical driving, the Dynaflow applied just the best equipment, counting on the torque multiplication of the torque convertor at reduce speeds. https://landenpycgh.smblogsites.com/34162123/top-latest-five-gearbox-auto-urban-news