There could be more than one reason for your troubles. Please tell me if/how you continued after fellow Pantera owners gave you their feedback? i.e.
1. Did you measure with a feeler gauge how much play between the clutch plate and flywheel when the clutch pedal is fully down?
2. Did you extend the fork bolt on the master to full? (its where the angle between b and c is a few degrees less than 180°) That will raise the pedal towards you (when not pressed) so it sits higher than the brake pedal and give maximum/full stroke on the master.
3. Did you remove the shift gate when troubleshooting to avoid misalignment being a factor.
4. Absolutely all air must be bled out.
5. Seems like you have managed to put the right parts together but also check the direction of the clutch plate. Only one side can be facing the flywheel! (should be marked)
I am sorry if this all sound so basic but I am just trying to brain storm...... I never had any of those problems. I bought a new McLeod Kit and removed the bell housing from the ZF to be able to carefully check/measure and adjust for required play between pressure plate (multi fingers) and throw out bearing. I rebuild the master and bought a new slave. All done on the same occasion.