The 1st automotive software from the lock-up principle was Packard's Ultramatic transmission, launched in 1949, which locked up the converter at cruising speeds, unlocking in the event the throttle was floored for swift acceleration or as being the vehicle slowed. Such as three-passage system, two with the passages are employed https://torqueconverterclutch68887.ttblogs.com/13640889/new-step-by-step-map-for-torque-converter-clutch