I have an update on my Power steering install. I've put about 600 miles on it the last two months and it works well, no leaks, noise is barely detectable. Originally I eyeballed the alignment and it steered ok, but it did have a bit of wander. Tires are not wearing or cupping.
I've suspected there is play in the control valve, but I was hoping the alignment would fix the wander on the highway issue. Has roughly an inch of play in the steering on the highway.
A few days ago I did the alignment myself at my buddies shop on a modern alignment system, with his help. I got it right on spec wise, and the mechanic there was happy with the readings the computer showed.
It's marginally better, still wanders on the highway. Used to be so "straight down the road", now you are constantly making adjustments depending on crosswinds, road crown, tire grooves, etc.
That being said, my control valve is 70 years old, has about 50k miles on it and all I did was replace the seals after cleaning it up. I don't want to spend 600 bucks on a new control valve, but I suspect this is where the play is. I was in a hurry to get out of my buddies shop as he was doing me a favor (I worked there as a mechanic a couple years ago) and I didn't want to tie up that hoist. So, I would like to get under my car at home and have someone turn the wheel back and forth and see where the play is.
I did have the engine running the whole time I was doing the alignment in order to load up the control valve.
How much play, if any should be in the ball stud? I would think none if it's not worn out? Where can I get a new ball stud and the brass insert (not sure what it should be called)? I tried readjusting the nut on the end by trying only 1/8 turn out instead of 1/4 but that didn't help.