The 1st automatic transmission to make use of a torque converter (as an alternative to a fluid coupling) was the Buick Dynaflow, which was released with the 1948 product yr. In standard driving, the Dynaflow utilised only the top rated equipment, relying on the torque multiplication with the torque convertor https://johnathanzghgd.frewwebs.com/34668312/the-basic-principles-of-gearbox-auto