If all this discussion is just to avoid adjusting toe after a camber adjustment, why not just adjust the toe? I have the Vorshlag plates, I have marks for street and track that get the camber where I want from previous measurements.
When I adjust the camber, place the car down (rock it back and forth a bit) and measure toe, lift back up and adjust the rods. I believe each bilateral turn (one sixth of a rotation) is good for about 1/8". Adjusting camber to 3.2 deg puts me toe out about 1/2", so three turns puts me at 1/8" where I want to be. For street do the reverse. The rear is another story - more compromise unless you have toe bars. I leave that at about 2 deg camber all the time. The rear tires wear out so quick on these cars anyway.
I learned this method the hard way when that 1/2" toe out cost me a fairly new set of NT01s.
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