Author Topic: Speedometer calibration  (Read 268 times)

RJE

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Speedometer calibration
« on: February 23, 2024, 15:14:43 »
Please can anyone tell me the impact of changing from 16" wheels and tyres to 15" wheels running Avon CR6ZZ on the standard Mk4 speedo? Thanks.

Flyinghorse

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Re: Speedometer calibration
« Reply #1 on: February 25, 2024, 19:28:16 »
You can work it out yourself using one of these calculators( many online):
https://www.tyresizecalculator.com/tyre-wheel-calculators/speedo-error-calculator

RJE

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Re: Speedometer calibration
« Reply #2 on: February 26, 2024, 12:30:20 »
Thank you, I wasn't aware of the calculator on line but now I've checked it it confirms my own calculations, which is helpful.