Kind of along the same lines, I noticed that the hole in the shackle is about 1/2" but the hole in the new bushing is about 5/8". When I took the springs off, however, I remember that the original bolt was quite thick (I could be mistaken). Does this mean that I
1. Need a bigger bolt and drill a bigger hole or
2. That I have the wrong bushings or
3. That I need a sleeve to go in the bushing