Originally Posted by d0ugch0i
im about to put 18x9.5 +38 rota grids on my car and im not sure what size tire i should be getting. my fenders are rolled and i dont want to do any permanent pulling on my fenders. what size tire should i be getting? 225/40/18 or 235/40/18?
I had 235/45/17 on my 17x9 rota torques with the rear fender rolled. Front was fine. Since you are doing a 9.5" width I would go for the 235/40/18. Lower aspect ratio should keep the overall diameter close to the same as my old setup meaning you should fit without issues.