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07 GMC Sierra Towing Question
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12-10-2011, 10:13 PM
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BLE 'BURBAN
In the Forgotten far North.
Join Date: Jul 2007
Location: Anchorage, Alaska
Posts: 2,627
Re: 07 GMC Sierra Towing Question
Yes you would have to recalibrate your speedo to accodimate the new gearing. Check with Hypertech to see if thier power programmer do this for you.
Dave
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