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 Cylinder head temperature 
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Firing on two.
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Joined: March 21st, 2013, 12:04 am
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Location: Exeter, Devon
Post Cylinder head temperature
Anyone know what the ideal temperature is for the 2cv engine (late 602) to run at?

The Bedouin has an area under the grill that is allowing a large volume of air to over cool in winter. I need to block some off.

I can purchase a cylinder head temperature (cht) sensor, but it won't mean a lot unless I have some idea of what it should be.

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January 28th, 2020, 12:51 pm
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Firing on two.
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Joined: March 5th, 2009, 6:23 pm
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Location: Near Monmouth
Post Re: Cylinder head temperature
Sensor under the plug approx 200 deg C, from memory???

In manifold see pics
Attachment:
Untitled.jpg

Attachment:
Untitled1.jpg


ps
With the thermocouple under the plug are very fiddly to fit.


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January 28th, 2020, 2:35 pm
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Joined: March 21st, 2013, 12:04 am
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Location: Exeter, Devon
Post Re: Cylinder head temperature
Thanks Pete

I've ordered one (under plug), let's see what I get. :)

How did you calibrate?

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If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....


January 28th, 2020, 8:07 pm
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Post Re: Cylinder head temperature
What did you buy?


January 28th, 2020, 8:45 pm
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Post Re: Cylinder head temperature
Thought I would try one of these

https://www.ebay.co.uk/itm/Universal-Cy ... 2171263927

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If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....


January 28th, 2020, 8:59 pm
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Joined: March 5th, 2009, 6:23 pm
Posts: 1818
Location: Near Monmouth
Post Re: Cylinder head temperature
Ungrounded needed you can then power the set up from the car supply.
Start with this battery display
https://www.ebay.co.uk/itm/TM-902C-K-Ty ... SwKeNd0geP

Peter


January 28th, 2020, 9:21 pm
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Joined: March 21st, 2013, 12:04 am
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Location: Exeter, Devon
Post Re: Cylinder head temperature
It will take few days to arrive. However, I may have ordered the wrong type. :roll:

We will see. What I think I require is a resistive type. The same as a water temperature sender would be.

I'm after connecting it into my Speeduino for when I'm running on petrol.

I have this whizzy Android app to monitor it when running on Speeduino..


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If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....


January 28th, 2020, 10:46 pm
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Joined: March 5th, 2009, 6:23 pm
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Location: Near Monmouth
Post Re: Cylinder head temperature
@What I think I require is a resistive type.

That will be a "Thermistor" used for Oil and Water temp (max temp approx 130 deg C.)

"TC's" (Thermcouple) signal gives Mille volts but can measure very high temps eg exhaust.


January 29th, 2020, 10:24 am
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Joined: March 21st, 2013, 12:04 am
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Post Re: Cylinder head temperature
Thanks Pete

I did a little more research last night, and it needs an amplifier. :roll:

Its ordered :) it will be interesting connecting it all up. :D

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If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....


January 29th, 2020, 12:14 pm
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Joined: March 5th, 2009, 6:23 pm
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Location: Near Monmouth
Post Re: Cylinder head temperature
Did a quick search for EGT on Speedunio but didn’t find much, what did you find re amplifier with Speeduino ?


January 29th, 2020, 2:04 pm
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