I have heard that if you can press the brake pedal down about 1/3rd and fix it so it stays there it blocks off the master cylinder from the lines and greatly minimizes the amount of drainage you get when removing the calipers. I did not do this step and I got a lot of drips of brake fluid. What I did was put an extra brake bleed screw cap over the edge of the brake line to kind of stem the flow of the brake fluid. It worked pretty good but since I was also installing SS lines I had a fair amount of time when I was hooking it all back together in which it dripped like crazy.
If you want to rebuild them Centric makes the dust boots and inner o-ring for our calipers, and there are also some higher end makes that make silicon dust boots that are more durable to heat for the track but with the tradeoff that they degrade rapidly if brake fluid gets on them.
Steve
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