Locked Phase: Using the clutch engaged, the torque converter transitions from a fluid coupling to some mechanical coupling, reducing slippage and strengthening drivetrain performance. While in the picture over you may see the variation in the torque converter efficiency functionality with the pace ratio (eco-friendly line). The torque converter efficiency https://torqueconverterclutch96308.blazingblog.com/34264447/what-does-torque-converter-clutch-mean