Tire Diameter
20" tires on a 2013 Ram 1500 have a 32.5 diameter 17" have a 31.7 diameter. What would be the apparent ratio or formula to arrive at such based on 3.55 gears.
Forum Discussion
tire sizeGear ratios based on tire size change
The first site will give you the diameter of a tire based upon tire size. The second site determines the new axle ratio as a result of tire diameter size changes.
The first site will give you the diameter of a tire based upon tire size. The second site determines the new axle ratio as a result of tire diameter size changes.
