change your springs
Yup this is correct info..I put 22x8.5 +38 wheels with 245/30r22 tires and it is fine, the rear rubbed on the spring plate if you bend it up it will take care of the rub. You can go with a lower offset and it will probably not rub, but I dont know if it will hit the fender on the outside when you hit bumps. The front has plenty of clearence.