Torque converter will take benefit of the centrifugal pressure and throws the oil out of it. It really works like an oil pump. Fluid from inside of the converter casing spreads throughout the turbine. The turbine absorbs this fluid and commences rotation. It's instantly connected to the output shaft. https://gearbox38258.thenerdsblog.com/39562340/5-tips-about-gearbox-you-can-use-today