I WOULD LIKE TO IMPROVE THE BRAKES ON MY 1930 COUPE . I HAVE A COMPLETE SET( drums , shoes , backing plates , etc. ) OFF OF MY 1932 THEY ARE 12 '' DIAMETER . IS THIS A BOLT ON CHANGE OVER AND HAS ANYONE TRIED IT ? OR WOULD IT BE BETTER TO KEEP THE ORIGINAL AND USE FLATHEAD TED ROLLERS AND...