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speedo recalibration/reprogramming wtf??

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Old Nov 27, 2008 | 12:23 AM
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motometal04F350's Avatar
motometal04F350
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speedo recalibration/reprogramming wtf??

just wondering what all you with lifted trucks and/or bigger tires used to fix your speedo to read the correct speed?
 
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Old Nov 27, 2008 | 03:18 AM
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My old Superchips microtuner allows me to put in a different tire size. Your dealer can preprogram your PCM for tire size up to a point.
 
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Old Nov 27, 2008 | 01:22 PM
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Another option is a TruSpeed from Superlift.com. I had one in my 07 for the last two years as I use two different sets of rims and tires in the winter. Easy install and very flexable. It can have two different tires sizes programed at once and you can flick a switch to switch between them.
 
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