The first automotive application in the lock-up basic principle was Packard's Ultramatic transmission, released in 1949, which locked up the converter at cruising speeds, unlocking once the throttle was floored for brief acceleration or as the car or truck slowed. Slippage consumes power in the coupling section. Locking the converter https://knoxyyutq.buyoutblog.com/33952823/the-greatest-guide-to-torque-converter-clutch