Problem with speedometer!

Discussion in '40- & 55-Series Tech' started by fj40ec, Aug 28, 2006.

  1. fj40ec

    fj40ec

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    My speedometer keeps on telling me that I am going slower than What I really are, for example, I cant get more than 60mph NEVER ACORDING TO THE SPEEDOMETER, when I see the speed on the digital speedometers on the streets its always like 30% faster that what my speedometer tells me. I checked everything, everithing inside it seems work good, the odometer is working ok. What is my problem? does anybody have experienced something like that?
     
  2. Poser

    Poser Oh...Durka Durka Durka. s-Moderator Supporting Vendor

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    What size tires are you running?
     
  3. numtel

    numtel

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    If you go bigger tires without changing diff gears you are effectively changing your final drive ratio and making it turn lower rpms at the same speed.
     
  4. fj40ec

    fj40ec

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    I'm running right now 6.5x16, that would be like some 28" diameter ones, quite small for a cruiser. And if I'm not wrong is about the diameter of the original ones.
     
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