[Gregski]

help a brother out will ya, I'm trying to do da math computations on going with smaller / narrower tires than my current 245/60-15 on the front to prevent the rubbage and I'm more confused than a one eyed mosquito at a mannequin factory

Size.........245/60-15.....235/60-15.....235/75-15.....235/70-15
Diameter....26.57.............26.1..............28.88...........27.95
Width..........9.65..............9.25..............9.25.............9.25