Secondary problem fixed. Now need help with clutch issue.

[Dds1990]

After great advice here I finally traced my 1990 #0106 secondary problem to a PCV vacuum leak. I blocked off the vacuum line running to the PCV valves and took it for a drive...All I can say is wow, first time experiencing that. Now I have a clutch issue. I had jacked up the right front just enough to remove to right front tire to do some cleaning and before taking it for the above drive it would not go into gear. I then checked the clutch fluid it was there was none in it. I then added fluid and did the pump suck and replace method til it was clear. Went to move it yesterday and it would not go into gear. Checked fluid again and it was low but not empty, added fluid pumped it up, got it into gear but clutch pedal feels weak and there is no fluid under the car in indicate a leak. I knew there would be issues because the car has sat a lot over the last 15 years...Any help as always would be appreciated...