The initial automatic transmission to employ a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced to the 1948 product yr. In ordinary driving, the Dynaflow made use of only the prime equipment, relying on the torque multiplication with the torque convertor at lessen speeds. https://cristianzkopp.arwebo.com/56727690/how-much-you-need-to-expect-you-ll-pay-for-a-good-gearbox-auto