New Clutch.....Problems

If the Z bar ratio has been changed "so much" that there is a tiny difference between transmission grinding, and clutch noise, then you would not have the strength to push the pedal down. From "end to end" clutch release is a simple lever. You make it longer, it's easier to push, goes further at the pedal, less at the clutch

You make it shorter, it's more difficult to push, and less pedal movement results in more clutch movement

SO:

If you are getting clutch noise, either there is something wrong with the manufacture of the clutch.......

or you have a wrong combo of components.........

or the TO by whatever means is simply pushing the fingers too far.

IF IT WILL NOT RELEASE clean by that point, or if the transmission grinds, the there is either..........

something wrong with say, the pressure plate (it happens!!)

or something is "dragging the input shaft, such as a binding pilot bushing

or something is wrong with the trans/ syncro's etc

I would pull it apart and either find a local clutch REBUILDER or else find a press that will accomodate the clutche/ flywheel. l MAKE if you must a "jig" that will allow the press to safely manipulate the clutch in the press. Measure clutch disc release gap and confirm that you have adequate finger to disk clearance.