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How much is your speedo out?

Discussion in 'General Chat' started by fallmonk, Nov 24, 2006.

  1. fallmonk
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    fallmonk Turbo Sport

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    Just wondering how much everyones speedo is out ?
    when compared to a GPS ie road Angel/Sat nav etc

    Mine is about 3mph slower than the GPS gives it credit for!
    #1
  2. treblesykes
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    treblesykes Member

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    my speedo doesnt agree with the DIS speed alarm, alarm is set at 100 but doesnt beep until speedo reads 105
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  3. Mart
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    Mart Active Member

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    That's about the same as mine, I have my set to 95, so it beeps when I hit 100, although it doesn't actually beep, just flashes, buzzor has gone or something!
    #3
  4. james0808
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    james0808 Active Member

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    My speedo shows 70mph my tomtom shows 68mph.Im happy with that considering i have 19's.
    #4
  5. Caesium
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    Caesium My BM is fixed!

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    I think you'll find that ALL speedo's are out by around 10%
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  6. james0808
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    james0808 Active Member

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    How can they be,reading the figures on this thread i would say abit less.
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  7. Just Plain Old
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    Just Plain Old Active Member

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    Mine is about 3mph above the speed on the road angel.
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  8. god_thats_quick
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    god_thats_quick Numptie of the highest order

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    Mine only over read by around 1-2 mph at 100mph, the thing is though it'll depend on tyre wear / pressure as well.
    #8
  9. C_Audiboy
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    C_Audiboy Vroom Vroom

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    #9
  10. Mart
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    Mart Active Member

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    As long as the speedo says your going fasther than you are, it's fine! Better then getting caught speeding cause you thought you were doing 30, when it was 35!
    #10
  11. A3-frankie
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    A3-frankie Member

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    mine is about 5mph out at 100mph. Ive found most cars to be the same. On my old lupo i went up a wheels size by 1 inch and the speedo was then perfect to the road angel.
    #11

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