I am doing the Granada swap and I have a few questions. I bought a Wilwood adjustable proportioning valve in hopes of using that rather than the stock Granada unit. 1) Do I have to use the Granada Proportioning valve in the swap? 2) Could I still use my old Mustang proportioning valve? 3) Can I use the Wilwood adjustable proportioning valve by itself? The thing is the Wilwood unit has only one inlet and one outlet, therefore I can only adjust either the front or rear brakes. If anyone can let me know I would appreciate it. Also, anyone have pictures of how they plumbed their Granada brake setups?