Originally Posted by
ShiRen
No they are literally the same. If you draw a triangle from the chassis side joints to the ball joint, lets say the chassis is the bottom/base of the triangle, the offset from the centerline of the base to the peak (ball joint) is the same. The camber adjustment in the arms is slotted at an angle so the ball joint does not more fore/aft when changing camber (but this in in relation to the car, not the control arm since the control arms are offset). When you add the washers you are not changing the offset in the arm because you are widening the base an equal length on both sides, this does not change caster unless you stack the washers on one side. Any caster changes from these control arms would be extremely minute, your main adjustment is still going to be the strut rods.
Whenever I get off my lazy ass I will do my alignment (by string) and post my results, but I am not going off the stock alignment specs and I have no doubt they can be achieved. If you want to know if it changes caster we will need to know the min/max adjustment on a stock car and compare it to the min/max on a car with Prelude arms. You're probably going to see a good bit of variation in the results with beat up 35 year old cars, we will need a bit bigger sample size. If Fixedit goes out of his way to post his min/max caster I will do the same. We need to set the min/max by trying to move the washers and ball joints though and the cars should probably have new strut rod bushings installed.
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