The very first automatic transmission to make use of a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was launched for the 1948 design 12 months. In usual driving, the Dynaflow employed just the prime gear, relying on the torque multiplication in the torque convertor at https://jaredimnlj.blogsuperapp.com/34716581/the-gearbox-auto-diaries