My car(not mini) use to run on 195/60 R15 88H from the manufacturer. Now im on 205/40/17. i need to buy new rubber soon and considering getting 45 ratio for a smoother ride(to a degree)... Can someone explain to me how to read the ratios properly so that my overall diamter of wheel is close to that of the manufacturers? Also, couldyou tell me which one would be closer to stock tire's diameter, the 40 or 45s.
Thanks
Chosta
Thanks
Chosta