Recalibrate Speedometer for New Tire Size

[bpark8824]

Originally Posted by dakota_raven What's the factory size or the size that you had on?? Maybe won't make a difference!!! Factory size is 265/70 16. The speedo will only be off a tiny bit. Maybe a mph or 2 at most. There isn't much difference in the two tire sizes and I don't think it's worth it.

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[wingerak92]

Originally Posted by habiak

thats because BC stands for bring cash, here in alberta they run about 300

where in Alberta u from?? haha

[Independentfool]

entirely not worth it.

when your speedo reads 60, you'll be doing 62.

http://www.miata.net/garage/tirecalc.html

[timp1510]

Will changing your gear ratio affect your speedometer or anything? Also, does anyone know the speed and rev limiter that a 2004 4.7 comes with?
Thanks

[magnethead]

yes. and my V6 hit the speed limited @ 115. Rev limiter is 5200 i think..i dont know exactly where cuz the trans goes to neutral when you hit it (mine did at least).