Otis Posted January 30, 2022 Share Posted January 30, 2022 I'm running a larger tire size on my 2010 FG mk1 and have found that the speedo is reading 100 when i'm actually doing 105, i've noticed it is also at other speeds as well. I've worked out that the difference in rolling diameter is 5.1% or 32mm larger than the stock sizing. Would anyone be able to help with with fixing the reading issues on the speedometer or point me in the right direction? Many thanks. Quote Link to comment Share on other sites More sharing options...
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