Adjustable strut rods making terrible sound 74 Swinger

Friend with a Jeep Cherokee XJ fabricated his own front suspension arms using heim joints, it is extremely noisy and uncomfortable to ride in, every one of those heims rattles. It's basically a dedicated off-road rig that happens to be street legal so the suspension gets beat on pretty hard and the heims routinely get exposed to sand and rock dust.

I've had those same adjustable strut rods as the OP for about 5 years now and at least 10k miles and they make no noise whatsoever. When I installed them I took the time to get the angle of the front pivot just right.

Heims wear out and get slop when they're subjected to hard impacts; due to the location and forces experienced by the strut rods in a classic Mopar that doesn't really happen. The only forces they're subjected to are from braking and turning. They don't experience any 'axial shock loads' like they would if they were used in the control arms. They also wear from getting dust and water into the joints which then "grinds" them down and creates slop. The location of the front pivot point on Mopar strut rods keeps them pretty clean, they also don't have a very wide range of motion in normal driving.