EM TuningChris Nott
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  1. #1
    vw754's Avatar
    vorsprung Durch Technik

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    can you help with this?

    I HAVE CHANGED TO THE BIGGER 235/45/17'S
    WHAT I WANT TO KNOW IS WHAT DIFFERENCE WILL IT MAKE TO MY M.P.G,WILL MY TRIP READ MORE OR LESS? MY ORIGINAL SIZE WAS 195/65/15.


    Tire Size Comparison

    Specification Sidewall Radius Diameter Circumference

    Revs/Mile Difference 195/65-15 5.0in 12.5in 25.0in 78.5in 807 0.0%

    235/45-17 4.2in 12.7in 25.3in 79.6in 796 1.4%
    Last edited by vw754; 18th June 2007 at 01:04.

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  3. #2
    Ess_Three's Avatar
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    The trip should read the same as it's calculated off injector pulse width, and that won't change.

    Your MPG will likely drop slightly, as you have much more rolling resistance.

    Your speedo will be very slightly more accurate.


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    The views expressed on Audi-Sport.net are the personal views of its contributors (including me), and not that of the Website or the Moderator/Administration team.

  4. #3
    Caesium's Avatar
    My BM is fixed!

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    Yup
    Chris

    The problem with common sense, is that its not that common.

    See my images @
    http://www.christianfrench.co.uk

    Own a dreaded BMW? http://www.bmw-sport.net

 

 

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