How about if someone comes up with something a bit more scientific. Like the max distance between 2 points. Or the max angle of the halfshaft.
I'm not a 4wd expert, but maybe we can come up with 2 standard points to measure from to the ground, and then post the difference.
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I measured right up against the wheel to the bottom of the lower control arm. And then to the bottom of the frame under the mounting point for the lower control arm.
Obviously the higher you are, the greater the difference will be, and the halfshaft/CV angles should be proportional to this difference. My difference was 3". And I barely have more than 1 rib touching another one.