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You are right, the stock MC, with the airpak, is well suited to developing the pressures needed to operate a disc system. I know we are all in the same book, and prob in the same chapter, but we, (maybe me), just get the pages mixed up.

As an addition, No, the duece brakes are not duo-servo, only the front shoe has any servo, (wedgeing) action. The rear shoe is called a "trailing" shoe, and can only have any brakeing action depending upon WC pressure only. The front shoe is actually doing about 60% of the brakeing effort.

Don't get "reservoir capacity" mixed up with "fluid requirments" for effective braking. From full "on", to full "off" the discs are only moving a few thousands of an an inch. A drum system moves a lot of fluid "back and forth" between the MC, and the WC, much more than discs, due to shoe...

Sure, a little bit of spherical geometry will show that in a drum brake, in which the shoes are fixed at the bottom, and only spread-out at the top by the WC, results in a brake system in which only about one half of the total area of the shoes contributes any real braking effort, and in a...

First of all, I must confess, that while a Chevy pick-up, with front discs/rear drums is not the same as a duece, there are still a few similarities. I have done a rear disc conversion, with great results. The above posted article omits a very important factor. In the typical vehicle conversion...