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Reducing total wheel diameter

Discussion in 'General Automotive Chat' started by Kaibo, Sep 13, 2013.

  1. Kaibo

    Kaibo Member

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    Hi all, was looking at some standard 17's but with 205/40/17 tyres, I'm currently running 19's with 225/40/19's, does anyone know how it would effect acceleration if at all and how much the speedo would be out? This is on my A3 V6.

    Cheers Kai
     
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  3. Oranoco

    Oranoco Well-Known Member

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    That's a difference of about 10% so your Speedo will under read. Acceleration is likel to be better but such a huge difference is going to look stupid in the arches.
     

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