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Free speedo check !

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Old 30-11-10, 08:48 AM
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Default Free speedo check !

Yorkshire police are offering free speedo checks for Bristols ! Apparently my speedo was reading a bit slow :-)
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Old 30-11-10, 06:28 PM
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Quote:
Originally Posted by GREG View Post
Yorkshire police are offering free speedo checks for Bristols ! Apparently my speedo was reading a bit slow :-)
Wouldn't help me much. My 403 speedo needle waves around like an unlatched barn door in a storm !

Dave Dale
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Old 30-11-10, 07:16 PM
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Default Free speedo check !

Hi Dave,
My speedo does the same, its like a demented clapometer from the old game
show days or swingometer used on election nights. On a long trip I use my
sat nav at least I have some idea and the rev counter is at least accurate.
Has anybody a cheap dependable cure?
Has anybody any tips on removing a 406 onwards dashboard, to fit a new
clock, mine is only correct twice a day!

I did not open Greg's posting, but I believe it to be a spoof that I have
seen before.

Nick
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Old 30-11-10, 10:57 PM
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Quote:
Originally Posted by Nick Challacombe View Post
I did not open Greg's posting, but I believe it to be a spoof that I have
seen before.

Nick
Well, I never read your posts either Nic the .....

But this may solve your timing problems ! -- and of course the bezel could be changed / coloured black to match /fool the car wash judges !

RETRO STYLE CLASSIC CAR DASHBOARD CLOCK on eBay (end time 16-Dec-10 10:02:53 GMT)


Greg :-)
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Old 30-11-10, 11:09 PM
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And if you want perfection, this company will copy the original clock face for you.

dial restoration, uk

Or maybe you could have a face transplant and have one that is more pleasing on the eye !

Like mine :-)

Looking forward too not reading your reply !!

If you buy the clock gasket from Bristol and it is the wrong size - alter it until the hole suits your demanding needs.

Love and piece

Ozzy
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Old 01-12-10, 09:08 AM
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Default Free speedo check !

wayward speedometer is often caused by a sticky or damaged / bent speedo cable.
The extra resistance in the flexible cable causes it to wind up like a spring and then unwind,
resulting in the speedo needle waving about all over the place.
First aproach is to take the cable inner out of its sleeve, clean and lubricate it.
If that doesn't fix it then it's usually a case for a new cable.
My speedo is dead steadybut 10% fast - and I've no idea why...
Martin

Last edited by Kevin H; 01-12-10 at 09:12 AM. Reason: removed email artefacts
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Old 01-12-10, 09:20 AM
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Quote:
Originally Posted by Nick Challacombe View Post
I did not open Greg's posting, but I believe it to be a spoof that I have seen before.
Nick
A spoof from Greg? His previous 247 posts must have been designed to lull us into a false sense of security!

Most of you will be running modern tyres which result in a lower tyre diameter than your car had originally, so your speedo will say you are going a bit faster than you actually are.
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Old 01-12-10, 10:10 AM
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248 posts :-)
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Old 01-12-10, 10:37 AM
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Default Free Speedo check

As Martin says, it's probably a case of poor lubrication or a worn cable. Premier Instruments in Canberra say that this is the most likely cause. Mine does it too and is due for attention. John Keighley
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Old 01-12-10, 11:58 AM
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Quote:
Originally Posted by John Keighley View Post
As Martin says, it's probably a case of poor lubrication or a worn cable. Premier Instruments in Canberra say that this is the most likely cause. Mine does it too and is due for attention. John Keighley
Yep - a new cable fixed my 408 speedo

Bought from Bristol Cars for about £20 and a piece of wee to fit - Just attach to the old one with gaffa tape a pull it through.

I think the old one would have been fine if I had made a plasticine funnel and let some light oil soak through overnight before reattaching to the speedo head.

I use the old cable with a cordless variable speed drill to test other speedo's. It's the only time I have had a Bristol speedo to 150 MPH !

249
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Old 01-12-10, 12:40 PM
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Default Free Speedo check

Aha! I will try this on my old Land Rover when the weather improves -
hadn't thought of the cable being the culprit.
Mine waived around but then stopped close to it's top speed of about 40 mph.
Okay, 35 mph.
In this case the needle must have jammed as well. I recall all that's inside
those speedos is a magnet that rotates and a needle that tries to follow it,
attached to a weak coiled spring. Something to do on the kitchen table in
winter.... but too cold now to take it off!
Eric must be snowed in by now, up in them hills?
Andy.
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Old 01-12-10, 02:00 PM
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Default Free speedo check !

Yes Kevin,

That does not cause the speedo needle to wave around unless you are on
retreads and the outer case is flapping in unison, :-)
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Old 01-12-10, 02:00 PM
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Default Free speedo check !

Hi Greg,

Out of curiosity I did open your speedo check ( I have to keep up my posting
count)
How come you drive that slowly?
Last time I saw you, it was in a Bristol that had been crossed with a
Cadillac or Hot Rod! :-)

Nick
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Old 01-12-10, 03:25 PM
geo geo is offline
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Default Proceed with care . . .

Quote:
Originally Posted by GREG View Post
Yep - a new cable fixed my 408 speedo

I think the old one would have been fine if I had made a plasticine funnel and let some light oil soak through overnight before reattaching to the speedo head.

249
Difficult to judge this one ó the wavering needle on two of my Bristols (one a 408) was caused through previous owners over-lubricating the cable and the oil (probably 20/50!) getting into the speedometer head.
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Old 01-12-10, 03:52 PM
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Quote:
Originally Posted by Nick Challacombe View Post
Hi Greg,

Out of curiosity I did open your speedo check ( I have to keep up my posting
count)
How come you drive that slowly?
Last time I saw you, it was in a Bristol that had been crossed with a
Cadillac or Hot Rod! :-)

Nick
Who knows who was driving that day ! because the camera took a picture from the rear on an empty road with a 30 MPH limit, the driver could not be prosecuted. So the lucky fat bearded racer got away without a fine.

My wife has since shaved her beard :-)

250
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Old 01-12-10, 03:56 PM
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Quote:
Originally Posted by geo View Post
Difficult to judge this one ó the wavering needle on two of my Bristols (one a 408) was caused through previous owners over-lubricating the cable and the oil (probably 20/50!) getting into the speedometer head.
The good thing and bad thing about WD 40 is it disappears quickly.

Bad for locks and hinges and good for loosening nuts and bolts.


251
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Old 01-12-10, 04:50 PM
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Default Free speedo check !

Hi Greg/Nick

I too have trouble keeping my Bristol within the legal limits. Last week I
got a £60 fine and 3 points off my license for driving at 40MPH in a 30MPH
zone. Perhaps I should argue my (new) speedo was at fault, although if I
were to question the penalty they may just look at other potential issues,
such as a slightly illegal number plate. I know I probably fully deserve it,
but in my defence I was travelling downhill having come off a dual
carriageway, didnít want to press too firmly on the brakes, and had hoped my
dark number plate on my 411 would be unreadable by the police camera. Not
great arguments that would stand up in court I feel.
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Old 01-12-10, 04:50 PM
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Default Free speedo check !

The "WD" is for Water Displacement, which WD-40
does very well, but it should not be considered
as a long-term lubricating agent.

Bob
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Old 01-12-10, 05:30 PM
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Default Free speedo check !

¬.
Very bad luck bkz411, luck it is too,
Have you ever met anybody done by Specs.
¬.
By the way Greg, are you now a Senior member or did Hugh demote you when he found how young you were :-), Perhaps now that you are over 250 postings you will be reinstated.¬.
¬.
Looks like I will be buying a new Speedo cable from BCS from the postings, thanks for the info. I will have to do it whilst replacing my clock. Its too cold in the garage at the moment.
¬.
Nick
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Old 01-12-10, 05:36 PM
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Quote:
Originally Posted by bkz411 View Post
Hi Greg/Nick

I too have trouble keeping my Bristol within the legal limits. Last week I
got a £60 fine and 3 points off my license for driving at 40MPH in a 30MPH
zone. Perhaps I should argue my (new) speedo was at fault, although if I
were to question the penalty they may just look at other potential issues,
such as a slightly illegal number plate. I know I probably fully deserve it,
but in my defence I was travelling downhill having come off a dual
carriageway, didnít want to press too firmly on the brakes, and had hoped my
dark number plate on my 411 would be unreadable by the police camera. Not
great arguments that would stand up in court I feel.
That's what wife's are for. Keep your licence clean and load their licence up with the points ! It's perfectly legal - probably.

252
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