4x4 Related Calculators Aug 6, 2007 19:41:31 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Reeper on Aug 6, 2007 19:41:31 GMT -5 Speedometer Converter:Find new Gear Ratio with new Tire Size:Find Overall Crawl Ratio:Find MPH:Find RPM:Convert P-Metric Tire to Incheswww.offroaders.com/info/tech-corner/reading/calculators.htm