Swapped to disc and now horrible scraping Help

Yes, that is what Scarebird now says to do. Use a belt sander to remove the metal plate on the pad where it is rubbing. we will see how it goes. Still concerned about the groove in the Rotor hat, but I guess no big deal.

The groove in the rotor hat doesn’t look that deep in the pictures compared to the thickness of the rotor hat. But you’re the one looking at it in person, and you’re the one that has to drive on it. If you’re worried about it swap it out.