I will be moving up to 33s, and I will be regearing from a 3.07 to a 4.10. I have the Dana 30/35. I will be going with the Super 30/35 and I am wanting Eaton E-lockers; however, there isn't an E-locker for the 30 spline. How much of a difference in strength is there between the 27 and 30...