What was that about Wilwood calipers being junk? LOL They have stainless pistons.. no need for dust seals.. They do not rust.
Depending on the caliper, they are available in many configurations, and the prices are not much more than the smaller 300zx calipers being discussed here, and they are brand new, with stainless pistons.. and new hardware, v/s the rusted/corroded stuff I see photos of people using.
A well designed BBK like ARZ's is well worth the 400.00 more than this cobbled together setup will run you. (Or more by the time you work out all the gremlins..)
Mine were more than ARZ's kit, but they are bigger than his lower priced kit, and they use the largest caliper/pad combo that Wilwood offers on the front, and forged billet dynalites on the back. The piston sizes are selected to maintain the correct brake bias, so there is no need for a bias valve either. The ABS works like stock, as does my stock parking brake.
You get what you pay for, and two part rotors, alloy calipers and the right brackets and lines to make it all work right is critical for these to make a long term difference on your Supra.
The stock brakes, with good pads and fluid, just about killed me and my brother after a few stops from 140mph... These upgraded brakes do not fade. I've gotten them to smell slightly, but they do not fade.. I've tried about 10 stops from 140mph.. one right after the other, and long hills, punishing the brakes, no dice, they do not fade, they do not over heat, they just work, and work and work and work... I have not raced this car, but imagine it would stop just fine under race conditions on this fully loaded street car, just fine. (The only way you can get that, is to over build/design the brakes, and that's just what I asked PB to do.. Build me the biggest brakes possible for the MK3 that would fit inside 18" rims, and build me a balanced system so the bias was right front to back, and that retained my stock parking brake.) If I was going to do this again, I'd buy my brakes from ARZ. He does work just as nice, if not better, and for a better deal.
(And no, he does not pay me to say that, I've just seen more than a few BBK's..)
Worth every penny.
Fronts are GNIII 6 Piston Aluminum calipers over 14x1.38" spiral vented and slotted rotors on a custom alloy hat. These rims are one of a few that fit without spacers or other tricks.
Rears are Forged Billet Dynalite 4 piston calipers, over 14x1.25" sprial vented and slotted rotors on custom steel hats that fit over the stock parking brake, so it works just like new. Apears this setup has more room for various rims, but the SSR Comp's fit just fine in 18".