The initial automatic transmission to employ a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced for the 1948 product yr. In ordinary driving, the Dynaflow applied just the major gear, depending on the torque multiplication of your torque convertor at reduce speeds. The Dynaflow https://gearboxauto63950.blogocial.com/5-simple-techniques-for-gearbox-auto-69890578