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SportTrac Discussion
Wheels, Tires & Brakes
Xcal2?
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<blockquote data-quote="blksn8k" data-source="post: 679404" data-attributes="member: 64142"><p>I replaced the original 235/65/R18 Michelins on my 07 Limited 4x4 V8 with 265/65/R18 BGFs. My salesman initially told me their service department would be able to adjust the computer to correct the speedometer for the increase in tire diameter. When I picked the truck up he informed me that they were not able to do this. Is he full of crap and could this be done with an Xcal2 or other aftermarket tuner? Although I haven't checked it against mile markers yet the speedometer/odometer does seem to be pretty accurate and the truck drives and shifts without any issues.</p></blockquote><p></p>
[QUOTE="blksn8k, post: 679404, member: 64142"] I replaced the original 235/65/R18 Michelins on my 07 Limited 4x4 V8 with 265/65/R18 BGFs. My salesman initially told me their service department would be able to adjust the computer to correct the speedometer for the increase in tire diameter. When I picked the truck up he informed me that they were not able to do this. Is he full of crap and could this be done with an Xcal2 or other aftermarket tuner? Although I haven't checked it against mile markers yet the speedometer/odometer does seem to be pretty accurate and the truck drives and shifts without any issues. [/QUOTE]
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SportTrac Discussion
Wheels, Tires & Brakes
Xcal2?
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