shadow
Senior Member
- Joined
- Jan 19, 2017
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- Location
- Philippines
- Vehicle(s)
- 11 STI, 15 CRV, 16 Civic RS Turbo, 18 Civic Type R
Going to a smaller rim, but higher profile tire make the difference negligible. From 245/30R20 to 245/40R18 decreased diameter by 0.4%.How do you deal with the odometer/speedometer /milage difference?
So theoretically, if the odometer says you've done 100,000 miles, you've actually done 99,960 miles. That 40 miles is negligible.
Use this site to help you compute differences.
https://tiresize.com/calculator/
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