S (stall position): In this particular stage the turbine pace is zero plus the impeller is rotating; the performance within the stall stage is bare minimum, about 50%, meaning that 50 % of the ability coming within the engine is lost by means of friction and dissipated as warmth; at https://angelozddda.collectblogs.com/79122542/the-2-minute-rule-for-torque-converter-clutch