Join Date: Sep 1999
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Re: speedo correction
If there is NO change to your factory specs, meaning either tires or gear ratio, then you should have the correct speed indicated from the factory.
I would take it to a calibration shop and have them check it out. It's possible, if you have a gear driven speedo cable (from the transfer case) that it's worn out. If you have the electric pickup type, then you'll need to have it calibrated by a GM techie type.
Hope that helps
[img]/wwwthreads_images/icons/shocked.gif[/img]- <font color=purple>J.R.</font color=purple> -[img]/wwwthreads_images/icons/shocked.gif[/img]