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Thread: gps speedo

  1. #1
    Registered Member warren57's Avatar
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    gps speedo

    When looking at electric speedo's, I see you can use a sending unit or gps.
    can anyone offer pros or cons for each?
    thanks

  2. #2
    Registered Member chevynut's Avatar
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    GPS only shows how fast you're traveling on the ground, not how fast your wheels are spinning. You can lose the GPS signal around tall buildings, thick foliage, or even in the mountains. I don't think a GPS speedo can be made to look like an analog gauge, only a digital output, if that matters to you. Personally I'd go with an electric speedo with digital (pulse) input. You can calibrate it to the exact mile. Plus the speedo tells you when your wheels are spinning.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


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  3. #3
    Registered Member warren57's Avatar
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    That makes sense. Considering the difficulty my Tom Tom plug in gps unit has with keeping a signal, I certainly wouldn't want a speedo that only worked part time!

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