The initial automatic transmission to utilize a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was introduced with the 1948 design year. In standard driving, the Dynaflow utilized just the prime gear, depending on the torque multiplication in the torque convertor at decreased speeds. The Dynaflow https://gearboxauto10740.blogoxo.com/34313820/top-guidelines-of-gearbox-auto