The 1st automatic transmission to utilize a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was released for that 1948 product yr. In usual driving, the Dynaflow applied just the best equipment, relying on the torque multiplication in the torque convertor at lower speeds. The Dynaflow https://arthurchgda.spintheblog.com/34546649/the-basic-principles-of-gearbox-auto