[Michael C Henry]

So say the stroke of the brake pedal stays the same. You can always do some compinsation with the amount of foot presure used to aganst the pedal to affect the results. All air is removed from system and all lines are pressure resistant so they don't just buldge out ( that would feel spongy)when you apply the brakes. At one extreme a smaller master cylinder ( we're talking about piston diamiter) will develop more pressure but less fluid will be moved, requiring less foot pressure. You may not reach resistance (Brakes actualling contacting rotors and clamping ) before running out of pedal travel. A larger Diameter master cylinder will move more fluid but unless you apply more foot pessure will develop less line pressure. Too large a master cylinder and you come up aganst the resistance early in the brake pedal travel but line pressure will be lower and will require more pedal pressure. You may not be able to push hard enough foot pressure to clamp the brakes hard enoughnto lock em up. Some states say you have to be wearing shoes when driving , Guess why?