Recalibrate speedometer in our 99 4rnr?
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Recalibrate speedometer in our 99 4rnr?
How do I recalibrate the speedometer after the PO installed larger tires?? I checked on Dakota Digital site, but I didn't find anything about recalibrating speedometers. I pretty sure the speedometer is at least 5 mph off or more around 65 mph.
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Originally Posted by AZ4ME
#4
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Originally Posted by cracker_1
Thanks for the info. Now I just have to get the sensor ordered and find a place that calibrate the speedo.
If you have a GPS you can also use that.
#5
Not trying to dig up an old thread, but there's a handy speed calculator for those who may only do tire swaps. It's listed here at a Miata website:
http://www.miata.net/garage/tirecalc.html
I hope it can remove some confusion/frustration and save time for those who add the unit to their truck. I know I'd like to be sure if smokey pulls me over.
http://www.miata.net/garage/tirecalc.html
I hope it can remove some confusion/frustration and save time for those who add the unit to their truck. I know I'd like to be sure if smokey pulls me over.
Last edited by Jakal; 03-20-2008 at 04:08 AM.
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How big are the tires? I have +1 (265/75) on mine and at 70 it reads about 2-3mph faster which is right for the size of tire. Under speeds of 50mph the speed diff is negligible. I used the marker method and I drove by a few of those speed limit radar thingys on the side of the road a few times.
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