I could burn up 1000 words on how/what/ why is going on with my most recent project, but my problem is real simple. I gutted a rolled 90 LX and am planning on using the master cylinder on my project. I did not pull the proportioning block because the project car uses a Ford Racing manual proportioning valve to adjust pressure to the rear discs. So, here's the question. Typically, the front outlet services the front brakes and the rear services the rear. I know the proportioning block changes that equation. Without having the donor car to check, what does the outlet on the bottom route to? Can this outlet be plugged and a traditional front to front and rear to rear (with an adjustable proportioning valve) be used?