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Thanks! Let me know what you find!

There is no tire revolutions per mile. In fact, 90% of the information on the help pages is not there. There HAS to be some way I can change it... Does anyone have a suggestion?

(Sorry - newbie) I have a 2004 GMC Envoy with the I6. After running VCM Suite 2.2.0 and going to the speedo options, I cannot modify tire size. I onyl get a few options (4 to be exact). :banghead: ...