Measure from the top of the tyre up 5 inches and set that as the hight. The bumpstops do actually get used on a standard car when potholes and speed bumps are involved. Thinking about it, there is qute a lot of space above the wheel that you could loose.
If you plan to keep it when finished then use Polyurethane suspension bushes from Superflex, new rubber ones last 6 months if your lucky.
If you plan to keep it when finished then use Polyurethane suspension bushes from Superflex, new rubber ones last 6 months if your lucky.