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Quote: Originally posted by woodvale on 31/3/2010
checked mine yesterday and when the satnav said 60mph the clock on the dash read about 64mph.
wonder do they do this to keep people at lower speeds.
i checked the boss's peugeot partner and it is off by about the same amount.
interesting
Thats because a speedo must NEVER under read, Manufacturers must play it safe, Also take into account any optional wheel/tyres they also sell which maybe a slightly different rolling radius.
So they can safely fit slightly larger wheels & tyres and not have to fit a new speedo head.
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Topic: best style of driving
