Z1 CSC/clutch vibration grinding pedal engagement too low

370DriftZ

I ended up tightening everything up with locktight. I sanded down the part in the picture. Idk what it's called. I could feel the ribs/bumps every time I step on the clutch. Now, after sanding it smooth, it feels good again. Except very top of clutch pedal, there's nothing at the top 1/4. There's no engagement or anything for the first 1/4 of the whole pedal travel. I adjusted the slave cylinder so that the throwout bearing was almost touching the pressure plate teeth. All air was bled out multiple times. No more air comes out. And still have that dead pedal travel at the very top. Anyone have that problem?

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