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Cylinder head temperature
http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=6287
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Author:  Roger V [ January 28th, 2020, 12:51 pm ]
Post subject:  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.

Author:  subarupete [ January 28th, 2020, 2:35 pm ]
Post subject:  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.

Author:  Roger V [ January 28th, 2020, 8:07 pm ]
Post subject:  Re: Cylinder head temperature

Thanks Pete

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

How did you calibrate?

Author:  subarupete [ January 28th, 2020, 8:45 pm ]
Post subject:  Re: Cylinder head temperature

What did you buy?

Author:  Roger V [ January 28th, 2020, 8:59 pm ]
Post subject:  Re: Cylinder head temperature

Thought I would try one of these

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

Author:  subarupete [ January 28th, 2020, 9:21 pm ]
Post subject:  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

Author:  Roger V [ January 28th, 2020, 10:46 pm ]
Post subject:  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..

Author:  subarupete [ January 29th, 2020, 10:24 am ]
Post subject:  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.

Author:  Roger V [ January 29th, 2020, 12:14 pm ]
Post subject:  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

Author:  subarupete [ January 29th, 2020, 2:04 pm ]
Post subject:  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 ?

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