This implies that there is a wide range of energy lost during the torque converter, dissipated as heat. So as to make improvements to its efficiency, makers included a lock-up clutch into the torque converter. As explained over, impelling losses in the torque converter lower effectiveness and create squander warmth. https://torqueconverterclutch87429.blogdiloz.com/32992100/the-2-minute-rule-for-torque-converter-clutch