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I’ve changed everything having to do width steering, except the Pitman arm.
The steering feels very sensitive, like driving on ice. It does track straight; it goes where the steering wheel is pointed.
I put in 4 degree Moog caster/camber bushings. I was told by someone that to gain the most caster; insert the bushing with the fat end of the outside ring towards the rear of the Ex. So I did. Results are on the attached printout. ASA Certified Mechanic from Moog said the fat end goes to the front. If he is correct, how come I get these numbers or are the numbers the opposite of what I need for caster. (Not totally happy with the camber settings).
When I take my Corvette to the track, I dial in a little toe-in for the rear tires, so at high speeds, the car will easily track straight. From the attached printout, it looks like I have a small amount of toe-out. How can I get the rear toe-out to be toe-in? I’m thinking a shop that does this by blow torch’s and huge vice grips.
I would say you need .1* toe IN on both sides, and 0* camber on both sides. Caster looks good, as anything above 5-6* is where solid axles like to be.
The touchy steering could also be a tight steering box. You could try backing the steering nut off 1/4 turn on the steering box and see if that loosens the steering feel.
Edit: I forgot to ask whether your track bar, tie rod ends, and drag link are in good condition? I noticed a "sliding, icy" feeling when I would take turns on my Excursion, like the front end was sliding back and forth in the turn, and knew I had an old worn out track bar. Once I swapped it out with a PMF HD adjustable bar and tightened everything down to spec, the icy, sliding feeling went away completely.
The caster seems okay... not sure how much more you can get out of these trucks by shimming. I have a 2WD so I genuinely have no idea. I'd want a better alignment in toe up front than that. I think the guy got lazy and wanted to go home. If you want to numb the front end a bit, a tiny bit of toe in is helpful. I prefer 0 toe for optimal tire longevity.
You have a log axle in the back. There is no camber or toe adjustment...they are completely fixed to the 0 camber 0 toe setting. The values on the sheet are bogus, hence they are grey.
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