Dave runs that setup and from what I've heard, he only rubs a little at full flex. I've got the 3.5" SF and 1" BL and I've got more than enough room for my 33s.
HTH
this guy matty said that someone on here named dave runs a 3.5 re sf with one inch bl and 35s is he a member on here or is his jeep in the members rigs section? the reason i ask is because im thinkin of going that route wanted to see how it looked