Good morning, as I am beginning to learn about the suspension on my burb, I need to ask another question. On my 84 Suburban, there is a Lever-Activated Rear Brake Proportioning Valve. I hate to assume, but I would have to believe this allows more fluid to flow to the rear brakes with the more load you have the rear. Now from what I can find, this really dampens my thoughts of putting a 2 inch lift or leveling of the rear end. The question is pretty basic, is my thoughts of the Lever-Activated Rear Brake Proportioning Valve correct and the next question would be, what would happen or what would I need to do to remove it from the braking system....unless this was for a HD towing system, should this be the case I would just leave it be. I do know I have 4.10 gears in it and am running 265-75-16 tires on it currently. Thank you folks for your time, Wolf  

Simply fab/extend the rod connected to the leveling arm on valve to get it back to current location after you mod suspension. This is not a big problem.