Ok, a new report on the caster mod now that I've driven a bit more. I took an hour drive to a junkyard to get some parts. It had a couple miles of interstate driving. I don't have to steer between the lines anymore! There's no more heavy steering fatigue, so I definitely feel like I could drive all day without getting really tired. A couple years ago, I would have been completely worn out from driving over an hour one way. I definitely recommend this mod. The parking lot turning has not gotten harder, and almost seems a little easier. I believe that since the arms had been swapped before I purchased the truck, there was already some additional caster, but I had way too much positive camber. Unfortunately, I can't find the alignment sheet from 6 years ago, so I can only guess at this point.
I definitely recommend this mod, even on a bone stock truck
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Christian Carpenter
1963 C10 -
Frankentruck 283, Muncie 3 speed with overdrive
Overdrive wiring here
1963-ish truck bed trailer -
Half-Wit
1981 C10 -
Penny 305, th350 --> Soon to be 350, Saginaw 4 speed
1995 Dodge Dakota Sport
"I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson