The main reason I want adjustable strut rods is for the benefit of a heim joint on one end, that way the arc of the strut rod and the arc of the LCA will no longer bind up. Also I want adjustable strut rods so I can position the LCA in a place with little tension on it so it will pivot on the shaft more like it is supposed to and also, without the bushings there will be much less fore and aft movement of the LCA on the pivot shaft, hopefully increasing life of LCA bushings and making it more of a precision piece of engineering.
