I hate to be the guy that makes another death wobble forum but I’ve replaced everything on the front end and got new tires and the track bar bushings are upgraded to polyurethane and I did the Dana bolt so everything would fit nice and tight
the DW happens when going 70 and hitting a bump and it doesn’t stop till the cars a 15mph

 

At that speed I would look at the frame around the steering box to see if it is flexing or cracked .

 

Steering box tight?

 

Is the hole for the track bar axle end egged. BTW that's outside and inside holes of the bracket

 

what's your caster setting?

 

Do you have a lift..