Smarty speedo adjust

[rbell]

Hey guys and Gals, quick question about Smarty speedo adjustment. When you set a truck back to stock does the computer continue to store the speedo change since it has nothing to do with fueling or timing? Thanks and have a great weekend everyone..ROB

 

[Bob Wagner]

The tire calibration is a vin lock option but I have heard that some 06/07 retain the calibration when returned to stock.

Do you have an 06or 07?

 

[rbell]

Thanks for the information Bob. My truck is an 05 so I guess it's back to stock. ROB