etshman Posted August 28, 2012 Report Share Posted August 28, 2012 Hi, I own a 2009 Outlander 3.0 & I want to change (Increase) my Tires profile, but i know if i do this the speedometer wont be accurate cause i have to change the settings stored in the car... any body know who can do this in Dubai? Link to comment Share on other sites More sharing options...
davidg Posted August 29, 2012 Report Share Posted August 29, 2012 It wont effect speedometer, dont worry and change the tire size. Speedometer is stick on gearbox not on tire in newer cars. Link to comment Share on other sites More sharing options...
etshman Posted September 2, 2012 Author Report Share Posted September 2, 2012 Unfortunately it will change, what you said about the speedometer stick to the gearbox is true, but the speadometer is set to the tire size, because when you change the the tire profile, the diameter of the wheel will change (increase) so the distance you make in 1 round of the new tire size (bigger) will be more than the distance you made with the old size... so with the same speed of engine revolution you make you will be running on a higher speed with the speedometer reading the old speed... meaning if the speedometer was reading 120km.. you will be actualy going 130.. i hope i was able to explain this in clearly Link to comment Share on other sites More sharing options...
parf Posted September 16, 2012 Report Share Posted September 16, 2012 very interesting Link to comment Share on other sites More sharing options...
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