The guys I've swapped notes with just had to change studs to go from hub piloted to stud piloted. On some hub piloted studs there's a raised lip right at the hub that prevents the Budd inner cap nut from seating on the Motor Wheel stud. I've, on the other hand, also had Studebaker guys do the swap and said no modifications were needed. All depends on the stud design. Stu
