The initial automotive application in the lock-up basic principle was Packard's Ultramatic transmission, launched in 1949, which locked up the converter at cruising speeds, unlocking once the throttle was floored for speedy acceleration or as the automobile slowed. M (greatest performance level): On this issue the torque converter hits its https://torqueconverterclutch58123.yomoblog.com/40567435/the-ultimate-guide-to-torque-converter-clutch