Just to confirm that you have seen the string related to this topic that suggests that the optimum angle is actually closer to 2 1/2 and could be as much as 3. The problem with the 4 degree shims will be harder steering at low speeds.
Hey there WI Cruiser. I bought a pair of caster shims 2.5 degrees. and I had my 4 degree machined down to 3 degrees. So I am ready to find out which works better. I'm going to put them in tomorrow night and see how the truck runs down the road. It's gotta be better than white knuckling driving it. It sucks driving a drunk Goat!!
