1992 sunbird clutch

I have a 1992 sunbird that the clutch slips on. I have done everything I can think of yet the clutch still slips. Any help would be greatly appreciated.

Have you replaced the clutch yet. Clutches do wear out and if this is the original pressure plate and clutch disc after 13 years it is probably time for it to go. If you have recently replaced the clutch then the problem is either related to the actual adjustment or the clutch arm is binding.