I have a 2001 Land Cruiser running 295/75 R16 BFG KO2 tires (which should be a 33" tire) on stock rims, and maybe a 3" lift? She has 240k miles, and is carrying a heavy load most of the time: Rear BIO bumper with two swingouts (Spare tire and HI-Lift on one side, 3-can carrier on the other)...