Has anyone tried putting 45 series tires (245/45R20 and 265/45R20) on the 20in rims instead of the OEM 40 series tires (245/40R20 and 265/40R20)?
The 45 series tires would be about 1" taller and run ~3% faster, or ~2mph at 70mph.
So speed would actually be more accurate (seems the Air speedo is...