Replaced all 4 ball joints with Synergy parts.
Installed Synergy sector shaft brace, track bar brace and tack bar.
Track bar holes not ovaled out and bolts the grade 8 bolts are in great shape. track bar was set to stock length and the axle is centered with no further adjustment needed.
Went in for an alignment and found it to be in good shape.
I always set my toe by eye and the alignment confirmed that I was dead on at .19" and no toe adjustment was required.
I set up my MetalCloak control arm lengths according to the installation guide and ditched the AEV drop brackets. Caster angle was/is 5.3*L and 5.5*R so no adjustment needed there either.
I was too lazy to center the steering wheel before the alignment so they did it on the rack and charged me the $80 alignment fee. I normally do it myself so I just cost myself $80 and could have had them just check my alignment by eyeball for free and they didn't get the steering wheel centered.
AAAAAAnnnnnyyway..... Death wobble persists unless the steering stabilizer is back on.
Each upgrade made the steering feel progressively more stable and controlled. Just the right twitch, however, will throw the jeep into a fit of rage where the only cure is coming to a near stop. The new parts do make it more controllable and somewhat subdued compared to before.
Only thing left to do is pull the control arms one by one and inspect more closely and carefully. No signs of movement or loose bolts so far, though.
Have read planman's stuff as well as black lady's thread. I don't see steering assist as a viable cure in my case.