1997 - 2006 Expedition & Navigator 1997 - 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion

different size tires

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Old

Sep 18, 2004 | 05:59 PM

#1

vics97xlt

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5th Wheeling

Joined: Mar 2003

Posts: 45

Likes: 0

From: south jersey

different size tires

If I put p265/75/r16 on my 97 expy, will I have to change anything due to the increased height of the tire? going from a 30.2 to a 31.7 inch height.

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Old

Sep 19, 2004 | 09:39 AM

#2

NoMo

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Joined: Nov 2001

Posts: 4,742

Likes: 8

From: OK

You don't "have" to change anything, but your speedometer and odometer will be off by about 5%. All that really means is that when your speedo reads 60mph, you'll actually be going 63mph (assuming your speedo was accurate before the tire change).

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Old

Sep 19, 2004 | 01:34 PM

#3

vics97xlt

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5th Wheeling

Joined: Mar 2003

Posts: 45

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From: south jersey

nomo, Is that a good thing or bad? How do I recalibrate the speedo?

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Old

Sep 19, 2004 | 01:58 PM

#4

woodworx

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Joined: Jun 2003

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From: The Driftless Region

Thumbs up

speedo

I think the only way to recal. the speedo is to use a computer tuner

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