The primary automatic transmission to use a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was released for your 1948 design 12 months. In typical driving, the Dynaflow utilised only the major equipment, relying on the torque multiplication of your torque convertor at decrease speeds. https://gearbox-auto63950.blogpostie.com/55617222/gearbox-auto-for-dummies