THe only dual MC that would provide different pressure is one that has two different sizes of bore in the cylinder. They do exist, but 90% have the same size in both. There are differences in valving, a car with disk brakes front and drum rear will have a residual pressure check valve in the rear brake cylinder, and non in the front brake cylinder. If it has only one axle with brakes, I would put a single master cylinder on it, not a dual. A dual cylinder would be a bit spongier, but not much. If the cylinder diameter on the old one was 1 inch, and you put a 7/8" dual piston in it it would have more pedal travel, but would apply the brake cylinders harder for the same pedal pressure. It is a direct area of piston change, not diameter. If a vacuum booster will fit in the space, they work well. Hot rodders use 7" boosters quite often when space is a premium. Jim
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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