makoto
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| posted on 26/3/11 at 12:28 PM |
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Smiths speedo
Hi folks,
I got a smith speedo for the car,, but not sure about wires. It is cable driven so easy to do, there is a little box with connectors on the back of
it. Also where can I can the bulbs for it?Any help on this would be appreciated.
Thanks
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cliftyhanger
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| posted on 26/3/11 at 01:34 PM |
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if from an older car (eg like the spitfire outside my house) then it could well be a voltage regulator for ither instruments. If that is the case I
can helb with the bulb holders too, but a pic required.
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makoto
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| posted on 26/3/11 at 01:55 PM |
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Smiths speedo
Hi,
Thanks for reply. Got pics but trying to figure out how to upload them?
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makoto
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| posted on 26/3/11 at 02:16 PM |
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Smiths speedo
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austin man
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| posted on 26/3/11 at 02:27 PM |
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need to put the pic into your photo archive or create a hyperlink to a website so we can view
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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makoto
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| posted on 26/3/11 at 02:36 PM |
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Smiths speedo
Hi,
Thanks for reply.uploaded pic in archive. How do I attached it to a New Post or a reply?
Thanks
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cs3tcr
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| posted on 26/3/11 at 04:01 PM |
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The box is a voltage stablizer, not required to run the speedo. As for bulbs, you'll need bulb holders and bulbs, try Moss Europe, Leacy MG,
AutoSparks or any of the other suppliers of "classic" cars.
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cliftyhanger
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| posted on 26/3/11 at 04:34 PM |
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Seeb the picture, yep voltage regulator thingy, it should give a steady 10volts for the fuel/temp gauges in 60/70/early80's cars (BL)
Unscrew it and flog it on ebay
PM me an address and I can sort some bulbholders for you.
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britishtrident
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| posted on 26/3/11 at 04:38 PM |
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You can get the speedo calibration in turns per mile from the dial. If you look at the very bottom of the dial in a tiny font you will see a
number between approximately 750 and 1350 this is the speedo calibration in turns per mile.
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makoto
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| posted on 26/3/11 at 06:26 PM |
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Smiths speedo
Hi folks,
Thanks for the input on this, much appreciated. Britishtrident you mentioned another thing I am not sure about. Calibration......how is this done?
Thanks
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britishtrident
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| posted on 26/3/11 at 07:04 PM |
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It might not need done depends on the TPM of the speedo and the TPM of the drive train as far as I can seem most Fords are standardised on 1000tpm
and a lot of speedos sold at autojumbles are from Triumphs which are also 1000tpm, of course wheel & tyre combinations throw a spanner in the
works.
You have to test how many turns the speedo cable makes for say 20 turns of the rear wheels and from that work out many times it turns for each
mile.
Speedy cables should be able to recalibrate for you if required.
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cs3tcr
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| posted on 26/3/11 at 07:19 PM |
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There is a way to do it yourself. Have a look at this write up:
http://triumph.daveola.com/NOTES/Speedo_Repair.pdf
I used a Smiths speedo as a mechanical tach on my car, recalibrated it by using the guide.
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makoto
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| posted on 28/3/11 at 09:34 AM |
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Smiths speedo
Thanks for all your help with this.
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John Bonnett
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| posted on 29/3/11 at 07:48 AM |
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Speedy Cables will calibrate your speedometer for you. There is a form that you can download from their website into which you can put the required
data; all very easy and in my experience the speedometer will be absolutely accurate providing the measurements you have taken are also accurate.
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