Throughout almost all of the operation time in the torque converter, the speed match among the impeller and turbine is rarely achieved. At cruising pace, the torque converter can only go about 85 % with the motor power on the transmission. A lock-up torque converter incorporates a built-in locking clutch https://torque-converter-clutch85284.idblogz.com/34740840/torque-converter-clutch-options