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Does a change in rim or tire size change the speedometer accuracy?

In: Wheel Alignment and Balancing, Motorcycles, Auto Racing [Edit categories]

Answer:

If the overall height changes, then yes.

Contributor:

Rdrsh

First answer by Rdrsh. Last edit by Rdrsh. Contributor trust: 856 [recommend contributor ]. Question popularity: 2 [recommend question].

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Does rim or tire size change speedometer reading?
yes!! of course, because the shaft is designed to rotate a certain speed, according to the car advancing speed.
Does rim or tire size change your speed?
"Your speedometer can misread if you have larger tires. I run 35s on my '02 F-150, and when my speedometer says I'm going 80, I'm really going about 73 or 74 miles per hour. My truck also has 20"...
Does rim or tire size change mph?
A change in overall tire height will change speedometer accuracy.
Does rim or tire size change calibration?
yes it changes the speedometer reading
Does tire size change speedometer reading?
Yes, if you get bigger tires it will say you are going slower than you are, and visa versa, you can go to a mechanic to get it recalibrated