If you keep the same lift height, it will change your Instant Center, COG and a couple of other things, but not by much. If you have to add lift to get them to fit, everything's changed. If your numbers are good now, and you just cut up the body to add bigger tires, you'll be fine.
A forum community dedicated to custom off-road vehicle owners and enthusiasts. Come join the discussion about trail reports, builds, performance, modifications, classifieds, troubleshooting, fabrication, drivetrain, and more!