Which master cylinder for 4 wheel disk brakes

Locomotion said

I've always heard that disc brake calipers have bigger volumes than drum brake wheel cylinders so they require bigger bore master cylinders.

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Here's what worked for me, I realized different than OP. I did this just to try it and get the car moving, and it turned out OK

I'm running 73/ 74 front OEM brakes, and a Versailles disc brake rear axle. I simply ruptured the residual valves in the master and used the factory 67 Dart master. It works very well in my case.