A couple months ago, I had a bearing kit put in my 71 4 speed tranny . After i got it back from the shop, I had occaisonal "crucnhing" when shifting into reverse. The shop adjusted the rod on the slave cylander so the crunching went away.I noticed the clutch pedal action felt firmer as well. Yesterday i noticed I am beginning to get clutch slippage. Note that I had the shop inspect my clutch when it was out and they said it is fine. I hear that it is very liklely the slippage is caused by the s