Quote Originally Posted by jerry clayton View Post
well actually---disc brakes aren't adjustable like drum brake shoes to keep peddle high and do use residual valves to maintain a closeness pad to disc no matter where the master cylinder is located
they just use a different pressure value. lots of master cylinders have the residual valves in the master
Well, these guys, for one, disagree - Typical Brake System Configurations They show NO residual valves for a firewall mounted master with discs all around.