My current setup is '06 f150, 6" S1 pro comp lift, 325/65r18 on 18x10 with -25 offset. I'm having bad rubbing issues with this setup. Have done all the trimming possible. Pro comp recommends max 5" BS but I don't think that will be enough. Is there any way I could run greater than a 5" BS on a pro comp lift. If anyone has done this please let me know.

 

Your issue is the 10 inch wide wheels. Most people are running 9 inch wide wheels with 4.5 or 5 inches of backspacing.