Bench Bleeding a Wilwood Master Cylinder and Proportioning Valve demonstrates the step-by-step process to remove air and ...

When running any type of disc brake system on a car you need to remember which proportioning valve you should run. This is very important because the job of a proportioning valve is to distribute the ...

While it's not unusual for classic truck owners to talk about how much horsepower is under the hood of their haulers, seldom does anyone brag about brakes. And while most of us appreciate the feeling ...

Proportioning valves come in all shapes and sizes and vary considerably depending on the car you are working on. But the most common problem you'll face is which valve should be used on which car. To ...