The main automatic transmission to work with a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was released for that 1948 design yr. In ordinary driving, the Dynaflow applied just the prime gear, depending on the torque multiplication on the torque convertor at reduce speeds. The https://gearbox-auto38136.blog-ezine.com/33784263/an-unbiased-view-of-gearbox-auto