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 ...

Have you ever slammed on your hot rod's brakes really hard? Did the rear brakes lock up before the front ones? If so, then you're familiar with that adrenaline-pumping feeling when the tail end of ...

PHR Project CarA 40-year-old Chevelle with a 600-plus-horsepower big-block is a prime candidate for a brake upgrade, unless you happen to have a perverse death wish. And if that Chevelle is PHR's ...