Quote:
Originally Posted by jakeru
Since the tie rods in our macpherson strut equipped cars are located behind/aft of the axis between the ball joints and the strut mounts, and vertically a little bit higher than the ball joint (since both the ball joints and tie rod end are designed to fit inside the round wheel barrels, the tie rod end is higher to work from packaging perspective), trigonometry tells us that moving the upper strut mount inward would also require the tie rod end to move a fraction of that distance inwards in order to maintain the same toe setting. If tie rod were left at same position, moving the upper strut mount inward would cause toe-in.
It would be the opposite effect, however, if the way you accomplished changing the camber was to move the lower ball joints outward (e.g., using adjustable a-arms).
If would also be the opposite effect if your suspension design had the steering rack in front of the front axles. Not sure how many cars have setups like that, but I'm sure there are a few.
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In fact, our Boxsters DO have the tie rods in front of the axle on the front suspension. If you increase negative camber, you'll increase toe-out.
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