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I know the purpose of these devices however i am unsure as to which one to get.. Do i need to purchase 1 or 2 Residual Pressure Valves as the setup i'm currently running is discs on the front and drums on the back... I have looked up the wilwood site and they make one for discs or drums so i assume i need one of each? helP!
If your master cylinder is above the level of the wheel cylinder/calipers you should only need the one for the drum rear. If it's a floor mount and below the wheel cyinders/calipers, you'll need one for the front, also... At least that's the general rule I go by...... Best to have a proportioning valve in the rear line, too.
You will want 10 lb units on the drums, and 2 lb units on the discs, and only if your wheel cylinders are mounted higher than your m/c, as Dave said.
Don