The 1st automatic transmission to implement a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was released for the 1948 product yr. In usual driving, the Dynaflow utilized just the top gear, counting on the torque multiplication with the torque convertor at lower speeds. The https://tituslmiez.thezenweb.com/the-greatest-guide-to-gearbox-auto-72169887