The very first automotive application of the lock-up principle was Packard's Ultramatic transmission, released in 1949, which locked up the converter at cruising speeds, unlocking in the event the throttle was floored for rapid acceleration or as the motor vehicle slowed. Labor expenditures for this mend can be fairly higher, https://israelkmlki.blogdiloz.com/32991749/top-torque-converter-clutch-secrets