I have a coworker that's working on a 2000 Ford F150 with a 4.6L V8, auto trans, 2WD, 6050 GVW, 139" Wheel Base with 94910 miles on it. The rear brakes are 11" X 2 1/4". The 11" dimention may be 11 1/4". Anyway, when you put the vehicle in an anti-lock mode th... Login to read more.