Welcome to the thread Sounds like you have a pretty cool project going on, look forward to hearing more!Just found this tread and its very cool!
Finished my final brake bleed today. Turned the engine on and was concerned with the pedal feel at first since it was still sinking to the floor if I pushed on it lightly with no pumping. The more I worked it the better it started to feel until I felt like it was good enough to go out for a trial run on. Glad I did, cause it was totally fine. It seriously feels like it has double the braking power now compared to how it felt before. Before a full hard stop from 30-40mph would result in this really heavy feeling pulsing ABS stop. Now the fronts lock down hard and even skid/chirp while the ABS pulses. Also isn't pulling to the left anymore while braking. Night and day difference.
Was fun to have the Supra up off the ground with all 4 shoes off. I did a little "air driving" with the wheels off to watch the rear brakes in action while I was fiddling with the pedal. Never done that before!
Tomorrow I'm going to investigate a squealing noise that I heard coming from the passenger side at the end of my run. Everything was quiet for most of the run, but as I was coming back after maybe 20-30 minutes of driving I could hear a squeal, almost like from a pad wear indicator, that would go away as soon as I touched the brake. It would remain quiet as you coasted but if you gave it some gas it would gradually come back again. Going to pop the wheels off on that side again to have a look. I'm thinking either I got really unlucky and something got stuck up there against the rotor on the drive or the brake hardware brackets might be flexing or bent and making contact with the rotor. Hopefully it's not too hard to track down. I'm still blown away by how much better the brakes are right now in this car, I've never felt them this good for the almost 20 years I've owned the car.
Also, while I was working, had something pretty cool arrive