On the question of discs on a 14 inch rim...yes you can do the swap, but for the 14 inch rim you have to go with the 10 1/2 inch rotor. On the 15 inch you use the 11 1/2 inch rotor. If you decide to go Wilwood, let me know, I can get you the best price in town. Better then Summit or Jegs....

Ron