Newer different types of automatic transmission, like the semi-handbook gearbox and CVT use other methods of power supply, And do not incorporate torque converters. Present day torque converters can multiply the torque of the engine by two to thrice. This effect only happens if the engine is popping much faster https://elliotmmftj.blogofchange.com/34569051/5-tips-about-torque-converter-clutch-you-can-use-today