Hey Charlie,
ya never know, maybe they fixed the problem by now. That was two years ago for me. It's hard to imagine they would keep selling them if there were problems. The main issue that I learned about was running the Tilton Hydraulic Throwout Bearing setup with a diaphram pressure plate vs. a 3-finger type. Sometimes you could overdrive the Tilton on a diaphram pp if you are not careful and don't have the clearance adjusted correctly. The 3-finger pressure plates required less travel to engage, so the seal would not pop out. I complained to Tilton, and they sort of shrugged me off... so i finally gave up. I had my trans in/out 3 times, and my friend tried it twice too. Maybe it will be ok for you. If it goes, just get the external setup. Good Luck.