With the seat backs in place I could sit in the fuselage with the rudder pedals in place so I could determine how much brake pedal deflection forward I wanted and general where the pedal assy should be front to rear. I then matched drilled the brake master cylinders to the pedals with the desired "neutral" deflection the same on both pedals
Right side rudder pedals clamped together so they are even
Master brake cyl clamped to pedal horn with desired pedal deflection.