Has anyone been able to crack the nut from an engineering perspective on why you’re not supposed to put a lift block under the composite springs (which my dealer did). Oddly enough- RC & Fabtech don’t have any warnings, just Chevy
and Readylift. My theories are:
1- steel will continue to flex but not rebound when it hits its load limit but composite/carbon snaps
2- they are tuned for the trucks specific factory angles
3- GM figured out that this truck looks a lot better at 2”+ taller and wants more money