The 1st automatic transmission to use a torque converter (instead of a fluid coupling) was the Buick Dynaflow, which was introduced for the 1948 product calendar year. In ordinary driving, the Dynaflow made use of just the leading equipment, counting on the torque multiplication in the torque convertor at lessen https://gearbox-auto65308.blogdomago.com/32712879/gearbox-auto-fundamentals-explained