Originally Posted by jockbolter50
Alvin, here's what I found at the Master Power brakes site.
M/C and brake plumbing
In short it shows the residual valves after the proportioning valve.
Now that we have trusted sources (factory applications and MP brakes) showing both ways I wonder what the reasoning is for each, or does it even matter?

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-