The primary automatic transmission to make use of a torque converter (as opposed to a fluid coupling) was the Buick Dynaflow, which was introduced for your 1948 model yr. In usual driving, the Dynaflow used just the leading gear, counting on the torque multiplication in the torque convertor at decrease https://emilianoyhmoq.blogdemls.com/34035659/gearbox-auto-an-overview