Front Leaf Spring Hangers
If you use a Stepped Drill bit/Uni Bit the hole will come out perfectly round and centered in the exact same spot! FWIW
Mad Dart, you are correct in what you said. In this case though the hole needed to be centered a little off. Centered where it was may have caused some interference with the bushing.
Beatnik - shoot me a line if you need a set of hangers with the smaller holes.
C