More recent types of automatic transmission, much like the semi-guide gearbox and CVT use other ways of power delivery, And do not include torque converters. A torque converter can not accomplish 100 percent coupling effectiveness. The typical 3 factor torque converter has an performance curve that resembles ∩: zero efficiency https://torqueconverterclutch76307.bloggip.com/34046618/torque-converter-clutch-options