The initial automatic transmission to implement a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was introduced to the 1948 design yr. In standard driving, the Dynaflow employed only the leading gear, depending on the torque multiplication of your torque convertor at lower speeds. The Dynaflow https://gearbox-auto08628.snack-blog.com/34114104/the-ultimate-guide-to-gearbox-auto