
I concur, my brakes didnt work worth a darn untill I put one in.sweetk30 said:dont forget adj prop valve.![]()
When I did my rear disk, I didn't do a thing....stock prop valve, stock 3/4ton m/c-booster and it stops on a dime....but I'm also driving a 7500lb burbspoolnaround said:I concur, my brakes didnt work worth a darn untill I put one in.

read more here88sub4x4 said:Not trying to hijack here, but just a question about the adj. proportioning valve. Where did you install it. Did you just remove the factory one and put the adjustable one in it's place? What about the brake warning lamp? Can it be hooked back up somehow?