When Changing Wheel and Tire Size
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Originally Posted by STXDriver
When changing the wheel and tire sizes from stock OEM 18's to OEM KR 20's is it possible to have the speedometer recalibrated?
97-98, and prolly earlier you need to change the VSS gear located under the truck next to the tranny. Its just a plastic gear you buy from the dealer for about $10. But if the change is less than a couple mph its not worth the trouble of crawling under there.