Quote:
Originally Posted by V8 Bob
All drum/drum masters are not 50/50 in operation, so knowing the correct primary/secondary or front/rear plumbing is important. The port (hole) closest to the mounting flange is NOT always intended for the fronts.
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Yes, seem to recall that there are two springs in the piston assembly and the weak spring side is the one that goes to the front, which activates the fronts first and when the fronts are pressurized the second (strong} spring collapses to activate the rears.