Figuring out how to plumb your brake system is quite simple. The two qualifying questions are:
1) Is your brake system: Disc/Disc, Disc/Drum, or Drum/Drum? Because...
Drum brakes require a 10 lb. residual pressure (RPV10) to counteract the spring tension in the drum system which tends to pull the shoes away from the drums.
Disc Brakes require a combination valve (often called a proportioning valve) and sometimes a 2 lb. residual valve- depending on where your master cylinder is relative to your calipers (see next bullet).
2) For disc applications; Is your Master Cylinder mounted above or below your calipers? because...
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