The first automatic transmission to use a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was launched to the 1948 product yr. In typical driving, the Dynaflow applied just the top gear, relying on the torque multiplication from the torque convertor at lower speeds. The https://claytonbcbzx.ja-blog.com/33871577/what-does-gearbox-auto-mean