Who Wants To Give Me Advice On Tires

[TheGreenZ]

I have a obs 2000 tahoe z71 and i think it sits higher than most tahoes. What are the biggest tires i could run on 18 inch rims. Im wanting to get new rims alos.Thanks ahead

 

[SunlitComet]

Typically LT285/75/16r can fit with out mods so any 18" rim tire that has the same overall dimensions of the entire inflate tire should fit just fine. As for for the vehicle stance the back looks like sagging springs. What tire size do you have on it now in the picture? We talking 4wd right?