The first automatic transmission to use a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was released for your 1948 product year. In ordinary driving, the Dynaflow utilised only the prime gear, depending on the torque multiplication on the torque convertor at lower speeds. The https://gearboxauto87417.ltfblog.com/33089646/not-known-facts-about-gearbox-auto