I have about 15k miles on 3.5" RC knuckle lift. It's been flawless, even after 13 passes at the drag strip. I would say it ride about the same maybe be a little stiffer. I did change RC rear 3" blocks that was in the kit to 2" blocks to make my 2014 LTZ 6.2l level. Just ordered 5100 Bilsteins.
2014 LTZ Z71 6.2l RC 3.5 inch knuckle lift on Fuel Vandal wheels 20x10 -18 offset and Toyo RT 33x12.5x20. No rubbing but tires do have some road noise.