If you get wear on the inside of the tread, you might need to change the toe in the positive direction just a tad more.
Or drive more aggressively!
Have enjoyed reading this saga horsewidower and pulling for you to get this fine machine performing like it should soon. Thanks for posting all the updates and photos.
Had to laugh about the no brake pads experience. I never drove like that, but accidentally had my daughter pump the brakes to "help" me bleed my BMW brakes with the caliper off...just about launched the piston out of the caliper.