Had a working clutch, removed my trans to work on something, and now its really stiff and feels like mush. The only thing I changed was the pivot stud for the clutch fork, other than that I messed with nothing. The car drove fine at first, but within 10 miles it became unusable and now I can't shift at all. I put an adjustable clutch cable on hoping it just needed some adjusting or something, but it's made no difference. Any idea on what I messed up? Any advice appreciated, I'm dreading taking this back apart..