Positive Mike (pun intended)
As the stock suspension articulates, the pivot point is not the TA's inner pivot. It is also not the center of the torsion bar at the spring plate. It is along a line drawn between these two points. Because this line is not parallel to the torsion bar but tilted back as it extends from the spring plate's axis to the center of the car, the TA goes negative camber when the TA goes up.
Now loosen the 3 bolts between the TA and SP. The new axis is along a line from where the 3 bolts are to the TA's inner pivot. This line is tilted opposite of the one above, so therefore camber changes are opposite.
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