The main automatic transmission to make use of a torque converter (rather than a fluid coupling) was the Buick Dynaflow, which was released for your 1948 model year. In standard driving, the Dynaflow utilized just the prime equipment, relying on the torque multiplication on the torque convertor at decrease speeds. https://charliegtwza.blogacep.com/39406856/the-basic-principles-of-gearbox-auto