i've Read the posts on bleeding the clutch after install of engine rebuild. I had similar issue, lost my clutch while going to third gear crossing the highway. clutch wouldnt engage to change gears and was stuck in neutral. opened the master cylinder and saw it was empty. after reading the posts i opened the system applied more DOT3, gravity bled then bled and refilled the lines and again bled from both bleed points. Got the clutch to operate again. drove around without issue but as soon as i tried to go WOT on the Highway i lose the clutch. i dont see any leaks inside the cabin. if i have a leak where else could i lose fluid?