Small block QuickTime bell with TTI Z bar

It looks like your clutch fork is set to close to the bell. You need to shim the clutch fork swivel bracket a way from the bellhousing to move the clutch fork forward, a common problem with Quick Time bells.
Exactly! Had to shim mine almost 3/8 inch to get it right. QT actually sent a couple fork brackets with the shield, but neither was perfect.

I used a piece of bar stock, drilled the 2 holes and that was that.