The very first automatic transmission to make use of a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was launched to the 1948 design calendar year. In ordinary driving, the Dynaflow used only the top rated equipment, relying on the torque multiplication in the torque convertor https://riverxzzwt.blogripley.com/34839897/the-ultimate-guide-to-gearbox-auto