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Digital gauge for TR4


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Well, as part of the work on my dashboard I thought I'd make use of the space taken up by the ashtray which in all the years I've had the car has only ever been used for storing a music usb which will now not be needed due to a new system.

I've fitted a small multi function unit that I wanted primarily to act as a voltmeter having removed the old ammeter from the dash, the bonus is that apart from providing a voltage readout it also has a clock function together with two temperature readouts - judging by the length of the sensor wires I would imagine one inside & one outside which is hardly usefull on a convertable like this. However the range on the probe is -35c up to +120c so I may use one for under bonnet monitoring.

The unit is so compact it actually fits inside the existing ashtray which can still be tilted forward and provide a bit of space if needed.

The display can be set on each of the readout functions seperately or will scroll over each one in a loop, not for those seeking originality perhaps but as a usefull practical addition I'm pretty pleased with the result for just over a fiver!

clocka.jpg

Clock.jpg

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That is very neat John!

i experimented a few years ago with a similar unit, and placed one of the temp sensors inside the intake plenum on my 6

when driving along the air temp would be close to ambient, but idling in traffic it rose to 60+C !

was quite interesting....

steve

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Could you use one of the temps read outs  for oil ?

Good shout - I'll have to give that one some thought,  hadn't considered it but must be possible somehow.

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Hi John - how does the air/fuel ratio gauge work?

Hi ian, it's a new set up that hasn't been run yet but part of the kit was a Bosch sender unit that I've fitted to the manifold where it goes from four into one - still got to make an access panel in teh front of the tunnel cover.

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No idea of the costs involved (probably large), but the instrument binnacle replacement in the Lotus Esprit restoration on Car SOS recently was an interesting option.

........ Andy 

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and you didn;t like my rear view Audi TT mirrors

Fair comment Roger - we'll agree that at least our alterations are  practical!

..& if you think a digital clock is bad you'll love some of the other stuff on this one....:ph34r:

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On 3/28/2020 at 1:58 PM, Chilliman said:

Good shout - I'll have to give that one some thought,  hadn't considered it but must be possible somehow.

Hi ian, it's a new set up that hasn't been run yet but part of the kit was a Bosch sender unit that I've fitted to the manifold where it goes from four into one - still got to make an access panel in teh front of the tunnel cover.

I now have a wideband AFR meter in the exhaust on my 4a which I have found really useful to retune my Dellortos since going to 89mm.

Stuart.

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I now have a wideband AFR meter in the exhaust on my 4a which I have found really useful to retune my Dellortos since going to 89mm.

Thats good to know thanks Stuart, I was certainly hoping it would help with the set up on mine.

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2 hours ago, Chilliman said:

Thats good to know thanks Stuart, I was certainly hoping it would help with the set up on mine.

If you have a known local "Test track" then you can work out where it goes rich or week depending on throttle position and adjust accordingly dependant on pulling/or off throttle, I did find going up to larger chokes made the best difference. Helps with someone riding with you making notes.

Stuart.

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