The main automatic transmission to use a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was launched for that 1948 product calendar year. In typical driving, the Dynaflow applied just the major gear, relying on the torque multiplication with the torque convertor at decrease speeds. The https://gearbox-auto18530.p2blogs.com/32730555/gearbox-auto-things-to-know-before-you-buy