S (stall issue): in this stage the turbine pace is zero and also the impeller is rotating; the efficiency from the stall place is minimal, all around 50%, which suggests that half of the facility coming within the engine is missing by friction and dissipated as warmth; at this point https://torqueconverterclutch97418.rimmablog.com/33130147/torque-converter-clutch-no-further-a-mystery