Originally Posted by ndrorydr
The shifting is SOOOO much better; more solid and timed better with speed. The XLE4 shifting always felt like it was never engaging the TC enough and shifting too soon between 3 and 4. I swear I have a whole new gearbox with this PCM. Oh, and I now have black smoke. Feels like I have a fuel box on it now;
does the torque converter unlock when you touch the brakes? and what speed does it unlock on its own?
Oh and is black smoke nessasarly a good thing?