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Speedometer Accuracy???

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Old Aug 20, 2004 | 06:19 PM
  #1  
Bgrassguitar's Avatar
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Default Speedometer Accuracy???

I passed a radar speed check last night and noticed that my speedometer read 60mph while the radar clocked me at 56mph. Has anyone else noticed if their speedo is off?
Old Aug 21, 2004 | 12:05 AM
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I passed by a couple of those, and never noticed a difference.
Old Aug 21, 2004 | 01:30 AM
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It depends on how fast you are going. The faster you go the more inacurate it will be. The stock JDM tire size is 185/65R15 so unless toyota/scion chnaged the speed to go with the stock 185/60R15 tires we have that would cause a inacurate # right there.
Old Aug 21, 2004 | 11:48 PM
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Originally Posted by chucksu
It depends on how fast you are going. The faster you go the more inacurate it will be. The stock JDM tire size is 185/65R15 so unless toyota/scion chnaged the speed to go with the stock 185/60R15 tires we have that would cause a inacurate # right there.
Virtually all factory speedometers read a bit high. If they read low, drivers would blame the manufacturers for their speeding tickets!
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