S (stall position): During this stage the turbine speed is zero plus the impeller is rotating; the effectiveness in the stall stage is minimal, all over 50%, which implies that fifty percent of the facility coming with the engine is shed via friction and dissipated as warmth; at this stage https://torque-converter-clutch76418.blogolize.com/facts-about-torque-converter-clutch-revealed-73034284