The 1st automotive application with the lock-up basic principle was Packard's Ultramatic transmission, introduced in 1949, which locked up the converter at cruising speeds, unlocking once the throttle was floored for fast acceleration or because the vehicle slowed. M (highest efficiency position): Within this issue the torque converter hits its https://torqueconverterclutch43196.topbloghub.com/40321113/5-simple-techniques-for-torque-converter-clutch