The primary automotive software on the lock-up theory was Packard's Ultramatic transmission, launched in 1949, which locked up the converter at cruising speeds, unlocking when the throttle was floored for fast acceleration or because the auto slowed. A torque converter can not achieve one hundred pc coupling performance. The vintage https://torque-converter-clutch19630.wssblogs.com/33930924/5-easy-facts-about-torque-converter-clutch-described