Tire calibration

[dirtdonthurt]

Is this the spot everyone says to measure to calibrate your tire size? Thx


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[WJCO]

Is this the spot everyone says to measure to calibrate your tire size? Thx


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No. Here:



See this thread:

http://wayalife.com/showthread.php?35075-The-Ultimate-TRUE-TIRE-SIZE-Database

 

[dirtdonthurt]

Gotcha off the shoulder


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[jeeeep]

measure from the ground up to the center of the hub and double that.

 

[deezus]

Not for me. Best way for calibration (shift points) IMO is chalk method. I measured and got 35.5 on my Nittos 37/17/12.50. That made my gears hang and shifting on my auto was horrible and speedometer was 2 mph off. Used chalk and it came out to 35 1/4. Now shifting is smooth and speedometer is perfect. I didn't think a 1/4 inch was a big deal but now I do. Just my 2 cents and I got the chalk method from these forums.

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[WJCO]

Jeeeep is correct. I was thinking you were trying to determine your size just to know the height. For a tuner or speedo calibration, do what jeeeep said.

 

[catahoula]

Shit I measured from bottom to top. I guess that would make sense.

 

[dirtdonthurt]

measure from the ground up to the center of the hub and double that.

I did that as well thank you.


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[Lloydsmale]

I measured from the ground to the top of the outside lug and mine was spot on. Well within a 1 mph anyway. Against my gps the speedometer reads 1mph fast and before with the stock tires it was 1mph slow.