Radius arm - upper y location

For now I'm going to be setting up a radius arm style front link suspension (using rubber bushings at all the axle and tube mounts, except maybe for the unibody/crossmember mount).

I was wondering if the placement of the upper y-link mount had anything to do with lessening or increasing bind. I know that the radius style links will always be in bind when the axle is traveling, but would an over and under position be just as good or better than a typical dana 30 mount style?

Here are the brackets I'm thinking of using, or at least this design. radius mounts

There will be less binding with the mounts closer together with the sacrifice of axle control.

Thanks for the feedback.


Also, is there any advantage to using a tapered end bushing: Ballistic bushing
to that of a straight cut bushing: polyper bushing

Thanks!

Just say,No poly!

If you're running two uppers, especially with those brackets, you'll have very little free articulation with poly bushings.

Rubber will allow it to move more but you'll have more axle wrap and it generally won't feel as 'solid'.