Alignment at Firestone

Front suspension:
DSM UCA
Maxtrac spindle
2.5 Coilover
No sway bar

Before the spindles, I was able to get Firestone techs to adjust caster settings to 3.5, now they can't get any better than 4.9, which is causing a lot of rub when turning as the tire is pushed back further.

Current alignment after trying to adjust: camber (L) -1.9, camber (R) -2.2, Caster (L) 4.7, Caster (R) 4.9, toe 0.

I watched the tech turn the caster cam on the rear until it "maxed" out. Tech pointed out that perhaps I need new caster bolts, but I don't really know for sure.

Couple thoughts, 1) I'm thinking the caster bolt is seized, 2) techs don't know what they're doing. I'm pretty sure I should be able to get a solid alignment without dramatic camber and caster angles. I will point out that I have a lifetime alignment with Firestone, and had two techs try to bring the truck into spec.

Share your thoughts and experiences please!

 

Bump for thoughts