4 speed to auto crank?

Some people may throw stones at me, but I actually drilled a few cranks over the years to do this conversion. What I did was measure the outside diameter of a factory pilot bushing and then the inside diameter of the crank pilot. Then I machined up a bushing from solid steel the had a hole in it (that was the same size as the outside dimeter of the pilot bushing) to guide the drill. I then tapped the drill guide into the crank and stuck the drill through the guide and into the crank. This made the hole nice and straight. Once the crank was drilled I took out the drill guide and pressed in the new pilot bearing. It worked better than I thought as the crank material is pretty soft. These were all cast crank motors.