Speedo recalibration after upgrading tires to all-terrain 275/70r1

[tnugentfl]

I am thinking of upgrading my tires to an all-terrain 275/70r18 which is a small diameter increase. Does the speedo, range etc automatically recalibrate? I am finding conflicting information. It is only .2" larger so no big deal either way.

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[RickLightning]

No, it does not.

 

[Heliian]

Hardly enough of a difference to worry about. It's like the difference between new and worn tires or different inflation pressures. Nobody will notice.

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