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Aug 24th, 2023
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Joined: Apr 2008
Posts: 632 Likes: 6
Talk Morgan Regular
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Talk Morgan Regular
Joined: Apr 2008
Posts: 632 Likes: 6 |
I recieved a ticket last week, for 57km in a 50 zone on a Suburb through road at 7.30pm on a Sunday night $75 thank you very much.  Be glad you did not do this in Norway. The fine would have been Aus $ 294. The speedometer may show too much. Showing too little is illegal. Harald
+4 4-seater 2008 Squadron Blue
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Joined: Jun 2012
Posts: 2,139 Likes: 43
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
Posts: 2,139 Likes: 43 |
If the speedo in the 5 speeder is a VDO, does this apply? GoMog VDO speedo calibration If not, there are other guides to calibrating electronic speedometers. Thanks for the link Martyn. I tried this one a few months ago when it appeared as a possible solution but no joy, there was no caliberation access using the stalk button. The system is similar to the one used by Lotus and the speedometers on the Elise and Europa S I had were spot on. It should be an easy job to caliberate with the correct info and access. I will have a search sometime.
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Joined: Aug 2013
Posts: 15,794 Likes: 14
Formerly known as Aldermog Member of the Inner Circle
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Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
Posts: 15,794 Likes: 14 |
In the UK the Police will not normally prosecute for speeding unless you are driving at the limit plus 10% plus 1 mph.
Allowing for an average 3% speedometer error on older cars - modern ones are better - that means to be caught the speedo will be showing 35mph.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Jun 2012
Posts: 2,139 Likes: 43
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2012
Posts: 2,139 Likes: 43 |
I am not particularly concerned about the legalities of a badly caliberated speedo, it just annoys me that my speedo is 8% out, in the "legal" window still but niether the factory or the dealer will do anything about it, as it is "legal" if it is less than +10%. It is just bad engineering that they are happy that it is "legal" rather than right. As I have said before, it must be just a small matter of a recal with the correct datum number to make it work accurately. Lotus manage it! I can even sort it out on my bicycle computer but it seems to be beyond Morgan and the dealers.
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Joined: Mar 2014
Posts: 1,673 Likes: 25
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2014
Posts: 1,673 Likes: 25 |
Speedo re-calibration seems to be quite common in the bike world by fitting a gizmo between the wheel sensor and the speedo. Just wondering if anyone has fitted something like the 12 O'Clock Labs SpeedoDRD or the Healtech SpeedoHealer to sort out the problem?
Andy
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Joined: Jun 2014
Posts: 531 Likes: 5
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jun 2014
Posts: 531 Likes: 5 |
Had my speedometer re calibrated at the factory a couple of weeks ago, it was under reading and therefore illegal. Don't know if the 3W uses the same make of gauge but if it does you can't reset yourself even though the website suggests you can. My speedo now shows V3 on startup although I can't recall anything appearing before.
One tip to check whether it's the front wheel sensor or the analogue gauge is to compare the digital readout with the analogue one. If they are the same, and it's incorrect, then the pulse setting needs to be changed but if they differ it's likely that the analogue gauge needs adjusting. Either way it's back to the factory because the dealers haven't got the kit to fix it.
Andrew
'Alice' 2013 Duratec Plus 4. Pearl Blue
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Joined: Jun 2013
Posts: 1,299
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2013
Posts: 1,299 |
I am not particularly concerned about the legalities of a badly caliberated speedo, it just annoys me that my speedo is 8% out, in the "legal" window still but niether the factory or the dealer will do anything about it, as it is "legal" if it is less than +10%. It is just bad engineering that they are happy that it is "legal" rather than right. As I have said before, it must be just a small matter of a recal with the correct datum number to make it work accurately. Lotus manage it! I can even sort it out on my bicycle computer but it seems to be beyond Morgan and the dealers.
Tech told me same for the tach  10% off is within spec   
 2013 M3W # 793 'Mosquito'
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Joined: Mar 2014
Posts: 1,673 Likes: 25
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2014
Posts: 1,673 Likes: 25 |
Speedo re-calibration seems to be quite common in the bike world by fitting a gizmo between the wheel sensor and the speedo. Just wondering if anyone has fitted something like the 12 O'Clock Labs SpeedoDRD or the Healtech SpeedoHealer to sort out the problem? I've had this response from Healtech: > Yes, the SpeedoHealer will work great. > Part no: > SH-V4 + SH-U01 > Kind Regards, > /Norbert > www.healtech-electronics.comJust waiting for a reply from 12 O'Clock Labs now as the SpeedoDRD is around half the price of the SpeedoHealer...
Andy
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Joined: Jun 2016
Posts: 430
Learner Plates Off!
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Learner Plates Off!
Joined: Jun 2016
Posts: 430 |
On my new M3W, the spedo is off ~10%, perhaps closer to 8%, reading high. An indicated 45 is closer to 40. Based on this older thread, this is a somewhat common issue.
Has anyone successfully re-calibrated the spedo or is there a known way to get it closer to accurate?
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Joined: Feb 2012
Posts: 1,664
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Feb 2012
Posts: 1,664 |
Cheapest and easiest was is to just drive 5 mph faster.
Charlie, Former Editor
Morgan Owners Group - Great Lakes
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