am going to get rid of the split rims on my 52 3800 i will replace with a 16 probably a 235/75 16, the backspace needs to be 31/2from what i have read do i need to know an offset#,as i already have 4 rims that i bought that i do not need i am wanting to be as clear as i can at the tire store, i also know this has been discussed before,thanks for your patients and advice, trying
