7 1/4 sure-grip?

Thank and I'll keep that in mind. First thing is to get the cover off and see what is going on. I'm also going to have my son (with a video camera) look under it while I power break it and record the drive shaft at the rear to see if it's slipping. I'll post the vid. If I take off with a light pedal there is no issue. Hard on the pedal and all kinds of bad noise coming from back there...not good..!

Where can I get the clutches from? Think local parts house can get them still? I'll have to call.