[TrackClub]

Originally Posted by Msquared

I think the question remains: how do you know the car's geometry needs "corrections" just because you lower it slightly? And if so, what will you correct, and how will you know what to correct? Don't forget, if you increase the effective spindle height (which is what the "roll center correction" shims achieve), then that has other implications for geometry, such as where the RC moves and how quickly as the suspension compresses and rebounds. The existence of these parts implies that "RC correction" is needed, but has anybody really quantified that? Again, I don't think Chevy does anything to correct it for the different ride heights of the various Camaro models.

Bingo!