The main automatic transmission to work with a torque converter (as an alternative to a fluid coupling) was the Buick Dynaflow, which was launched to the 1948 design year. In typical driving, the Dynaflow made use of just the major equipment, counting on the torque multiplication of your torque convertor https://kameronvjpub.blogsidea.com/40565176/not-known-details-about-gearbox-auto