The primary automatic transmission to employ a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was released for that 1948 design yr. In normal driving, the Dynaflow used just the prime equipment, counting on the torque multiplication on the torque convertor at reduced speeds. The Dynaflow https://garretttbhkm.bloggactivo.com/33076929/5-easy-facts-about-gearbox-auto-described