speedo off

This is a quick way to calibrate your odometer using GPS and OBD information with a SpeedoHealer. ** This is not a replacement for the great existing guide for picking a speedometer gear or calibrating your speedometer, start there first ** How to recalibrate your speedometer after changing...

Ummm, I have a TJ (errrr, LJ) Rubicon and I run 33" tires. My speedometer is clearly off by a little bit, but as I understand the Rubicon doesn't have the typical speedometer gear tooth you can easily change out, is this correct? If so, how do I go about re-calibrating my speedo for 33" tires...

If you have a 97-06 Wrangler TJ and recently went to bigger tires, you'll probably notice that your speedometer is off. This is an easy fix by purchasing the correct gear for your tire size and ring and pinion. NOTE: This will not work on 03-06 Rubicon models. See the bottom of this post for...