AJ/FormS said A P-valve reduces the pressure to the rear brake cylinders to a percentage of whatever pressure is being sent to the front. Click to expand...
AJ/FormS said There is only one reason to run a valve like this, which is to prevent the rear brakes from locking up prior to the fronts Click to expand...
AJ/FormS said When the rear locks up first, at speed, the rear usually steps out from behind the fronts and quickly sends you into an irrecoverable spin. Click to expand...