Re:Speedometer Accuracy (1 viewing) (1) Guest
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TOPIC: Re:Speedometer Accuracy
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Re:Speedometer Accuracy 2 Years, 3 Months ago
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Yeah... At lower speeds, my '02 is about 3mph slow, and the discrepancy widens with increase in speed.
If my speedometer reads 35 mph, I'm actually doing about 27 mph. If my speedometer reads 80, I'm actually doing about 75.
Mostly, I pace traffic, and if I'm out on the roads by myself, my general rule is 8-10 mph over the speed limit. This rule seems to keep Johnny Law off my six, and keeps the cagers from running me over, too.
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Last Edit: 2009/10/21 07:50 By Frank_W.
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Re:Speedometer Accuracy 2 Years, 3 Months ago
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I have a 2007 Silverado, and just put a GPS unit on it. Speedo is high by abt 4-5 MPH at 70. I guess when I put those bigger rear tire, that should cure that
RH
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Re:Speedometer Accuracy 2 Years, 3 Months ago
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I got the Speedo Healer for 2 reasons 1st it records your fastest speed on the digital readout for those times you really wanna open it up  and it corrects the speed. I'm about 1mph off now and was 5mph off. I could get it perfect but, didn't feel like messing with it.
I got the healer so I knew how fast I was really going, too many times I would be ride captain and crusin at 65-70mph and everyone would be complaining I was going way too slow 
Steven |
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Re:Speedometer Accuracy 2 Years, 3 Months ago
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I started a thread almost a year ago about this, and this is what I came up with...... The MFG purposely makes the speedo off by 7-10%, however the ODO is almost accurate, only about 1% off. I measured mine with GPS and after exactly 10 miles on GPS at 65 mph I actually traveled 9.9 miles on the ODO at 72mph according to the speedo.
I had heard that it was to slow bikes down on the hi-ways in an effort to reduce serious accidents caused by speeding. 
Do a search for GPS vs Speedo and you can read the entire thread. |
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Free, personalized tra
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Re:Speedometer Accuracy 2 Years, 3 Months ago
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That's good research Darn. Seems like Musky (or Doc or Gram) mentioned the accuracy of the ODO a year or so ago as well. Maybe Yami added their own version of the "healer" in the ODO circuitry ('course they didn't, but it sounded good). |
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FREE SPIRIT 2007 Silverado
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Re:Speedometer Accuracy 2 Years, 3 Months ago
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Wpowpo (User)
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Posts: 15
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Re:Speedometer Accuracy 1 Year, 8 Months ago
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Radar trialers are horribly inaccurate. They can't write a ticket off of one and I have well over a million miles in a truck with a garmin at my side to prove they are off. In my 10 years on the road I have seen 1 radar unit that was spot on.
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Re:Speedometer Accuracy 1 Year, 8 Months ago
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I want to know if this inaccuracy is only on the older bikes. And how it was determined that they are wrong. Is it "only" based on a GPS?
I checked mine against my buddys Roadglide and it was spot on with his. I also checked it the same day against a loaner that he got from the dealer and again spot on. We checked them @ 40/50/60/70 and we checked them a few times at the higher speeds. Every time they were exactly the same.  |
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dave
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Re:Speedometer Accuracy 1 Year, 8 Months ago
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i have asked a parked cop to check me with his radar, that works |
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Re:Speedometer Accuracy 1 Year, 8 Months ago
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workharddieproud wrote:
i have asked a parked cop to check me with his radar, that works
And what were the results? 
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dave
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