[Coloradocobra]

My Wilwood kit came with shim/washers to center the calipers on the rotors and to take care of any "angle" between the caliper and rotor. Take a peak and make sure the calipers are tracking properly on the rotors. If they are cocked, it could cause the pads to shudder a little on light braking. An old trick that sometimes helps is to grind a small 1/8" chamfer on the leading edge of the pads. Are you using Wilwood rotors? My setup uses the heavier Granada rotors.

Gary