Hey all. I just bought my first Chevy yesterday, A 2019 Silverado 1500 RST Z71 with 39K miles and a 2" factory lift. I have one burning question about the factory wheels. I've never been a fan of tall rims and skinny sidewalls on off road trucks and I'd like to remedy that. The truck came with OEM 20x9in rims and I'd like to run with 18's. Any experience with clearance of brake calipers or other reasons not to size down? My tire size choice, provided the 18's work, would be 285/70/18. Thanks for any input. (picture is before I had dealer install lift)