In the tech section on 14BB FF axle swap the following sentence is listed: "On newer Chevy's, the brake backing plate (picture H) will have to be changed to a press in style backing plate from a 14-bolt (SF) with 13" brakes." What does this mean? How much? Why? Part#? Brakes are then from SF, or are the brakes the same? There is also no mention of emergency brake cable.