The very first automatic transmission to implement a torque converter (as an alternative to a fluid coupling) was the Buick Dynaflow, which was released for the 1948 product calendar year. In standard driving, the Dynaflow employed just the major gear, counting on the torque multiplication with the torque convertor at https://holdencijkj.blogchaat.com/34218944/not-known-facts-about-gearbox-auto