The initial automatic transmission to utilize a torque converter (as opposed to a fluid coupling) was the Buick Dynaflow, which was introduced for the 1948 design yr. In typical driving, the Dynaflow utilized just the top rated equipment, relying on the torque multiplication of the torque convertor at lessen speeds. https://cristianqbfgh.blogs-service.com/65019016/gearbox-auto-things-to-know-before-you-buy