The first automatic transmission to make use of a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced for that 1948 design year. In regular driving, the Dynaflow used only the top rated gear, depending on the torque multiplication from the torque convertor at lessen https://emiliomtxyz.blogadvize.com/41660542/the-fact-about-gearbox-auto-that-no-one-is-suggesting