You can fit 33's with a 1" body lift, some 1.5" lift coils in the rear, some cranking of the torsion bars, and a wee bit o' fender seam pounding. I ran that setup for about a year with 33" SSR's.

Allen Dickenson TLCA #6318 http://www.geocities.com/Baja/Trails/8895/
1995 4Runner UnLimited - Fort Knox - SAS'd,Marlin'd, Locked, Warn'd & Dented.
1977 FJ-40 - Stock