Larger tire speedo issues?

[Gorgar84]

https://www.amazon.com/gp/product/B094Z7PBLS/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

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[rguest3]

How much bigger? I noticed my speedo was more accurate after going 2" larger. Went from 2 mph slow at 60 to 1 mph fast.

Same here. When I switched form Sasquatch tires to 37" Toyos my speedometer is dead on now.

 

[Lcubed]

It is required by law for speedometer to read higher. I don't know how much higher but none the less, higher.

it’s actually required to read NOT LOWER than the actual ground speed.

most manufacters opt to read slightly higher to avoid legal issues and to account for tire wear.

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