![]() | Home > Wheels & Tyres > Speedo adjustment for different wheel/tyre combinations |
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GAC23 Member Since: 27 Nov 2013 Location: Herts Posts: 670 ![]() ![]() ![]() |
Because I learnt this yesterday from the everso helpful Patrick @ GAP: Only the Rolling Radius ABS mm will change the speedo, ignore the other ones What do I put here then? |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 35486 ![]() ![]() |
interesting |
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GAC23 Member Since: 27 Nov 2013 Location: Herts Posts: 670 ![]() ![]() ![]() |
Only problem is how to calculate the rolling radius.
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Grofus Member Since: 24 Mar 2017 Location: Co Clare Posts: 577 ![]() ![]() ![]() |
Stu, I don't think the 50s. are standard on a 19" rim. 55s are . 2007 Vogue TDV8 in Zermatt Silver with Charcoal |
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stu Member Since: 04 May 2011 Location: Richmond North Yorkshire Posts: 927 ![]() ![]() ![]() |
GAC23....
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GAC23 Member Since: 27 Nov 2013 Location: Herts Posts: 670 ![]() ![]() ![]() |
Thanks, Stu.
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Alistair Member Since: 11 Feb 2011 Location: Peterborough / Bordeaux / Andorra Posts: 7970 ![]() ![]() ![]() |
I’d just use trial and error and a GPS
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