Even a minimum quantity of oil in apply, less than centrifugal pressure of rotation can start to push the piston and drag the clutch. Figure six illustrates a lot of the variables between two- and a few-path converters. Inside a two-passage torque converter clutch actuation program (as in the pictures https://torque-converter-clutch53951.blogocial.com/top-torque-converter-clutch-secrets-69997562