Gen3 viper rear calipers have 42/38 Pistons which happens to be the same as gen 1/2 fronts, as well as having the benefits of radial mounting. Gen 3 rears also shared the same size rotor as Gen 3 fronts at 14" x 1.260". Would it be feasible to use these rear calipers on the front of a mopar as they can usually be had for quite a few bucks less than gen 3 fronts? What difference would you feel using a 13 or 14" rotor with the 42/38 Pistons vs. the 44/40 pistons?