why did you take it off in the first place?
for the record - I don't recomend driving at 30mph whilst keeping an eye on the satnav and trying to refit a speedo on a 2cv dash and maintaining your speed
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| Author: | J-dub [ November 7th, 2011, 1:28 pm ] |
| Post subject: | Calibrating 2cv speedo |
The speedo over reads, is there a way to calibrate it at all? I had to take it apart and put needle back on at zero but spring must have adjusted? I believe it's 'cos I haven't wound the spring up correctly when I stuck the needle back on? I'd liketo get it spot on again! Advice much appreciated |
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| Author: | Sean [ November 7th, 2011, 2:10 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
take it off and put it back on at less than zero? ( think it had an element of Preload) beyond that its not something that i fiddle with as they never go wrong. Sean |
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| Author: | J-dub [ November 7th, 2011, 2:48 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
Hmm If I took the face off, took needle off got up To 30 using satnav, and then stuck needle on at 30 That should work? |
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| Author: | samfieldhouse [ November 7th, 2011, 3:30 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
why did you take it off in the first place? for the record - I don't recomend driving at 30mph whilst keeping an eye on the satnav and trying to refit a speedo on a 2cv dash and maintaining your speed
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| Author: | J-dub [ November 7th, 2011, 3:38 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
I wasn't planning on using an open road to do that Was going to use the yard at work! Anyone got a useable one? |
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| Author: | Sean [ November 7th, 2011, 3:42 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
sigh take glass off turn the mech on the back till the needle reads 15mph take needle off and replace to 0 release the mech? or do it your way and win the Darwin award 
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| Author: | ginger bloke [ November 7th, 2011, 5:44 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
samfieldhouse wrote: why did you take it off in the first place? for the record - I don't recomend driving at 30mph whilst keeping an eye on the satnav and trying to refit a speedo on a 2cv dash and maintaining your speed No don't stop him I wanna hear about it on the news
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| Author: | J-dub [ November 7th, 2011, 6:33 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
Well The Darwin method was spot on although because on stupid I felt 3mph wasn't accurate enough (it was 3moh under reading vs the gps speed, so I took needle off. I did it whilst driving 20mPh but realisticly you need a cute blonde on your lap to drive whilst you put needle on. It worked. Waiting for the yard at work to clear before I do it! |
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| Author: | terpineol [ November 7th, 2011, 8:04 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
Would increasing the tyre pressures have been too simple? |
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| Author: | J-dub [ November 7th, 2011, 8:12 pm ] |
| Post subject: | Re: Calibrating 2cv speedo |
How would that work? As I drove home I removed te needle and replaced at correct mph. Going to use sat nav to check. Use a speedometer app on my iPhone originally. All is good Now how to thread I'm arras 
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