Quote Originally Posted by nfpgasmask View Post
Weird, 7% is the number I came up with (and subsequently have programed into my Scan Guage II) to calculate my actual speed with my 2" lift and 265 tires.
Yep, that's about right, although actual tire sizes will vary a bit, despite what the sidewall says. I used 7% when I had the old 99 Trooper and 265/75s.