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 Post subject: Air cooled head thermistor
PostPosted: Mon Nov 14, 2016 12:58 pm 
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Joined: Thu Nov 10, 2016 8:35 am
Posts: 28
ECU Model: S40 Pro
Hi everyone.

I'm wondering if any of you have experience of air cooled engines and cyl head temp thermistors ?

I need to fit a thermistor to enable my cold running enrichment, however.
I dont want an under plug VW type one and I'm not hugely keen on using oil temp but I will have to if I cant do it any other way.
Any ideas on what resistance I would need for an S40 or any other ideas would be greatly received.
Cheers.
Skel.


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 Post subject: Re: Air cooled head thermistor
PostPosted: Mon Jan 02, 2017 5:15 pm 
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Joined: Mon Jan 02, 2017 11:50 am
Posts: 39
ECU Model: S40 Pro
Firmware Version: 60
I have one fitted on the old ecu that I'm removing. No idea of type though.


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 Post subject: Re: Air cooled head thermistor
PostPosted: Mon Jan 02, 2017 6:01 pm 
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Joined: Wed Jul 27, 2011 5:30 am
Posts: 571
Location: New Zealand
ECU Model: S80 Pro
http://www.pelicanparts.com/More_Info/3 ... -041-A-M14 might work.
I saw a 2pin minitimer connector somewhere once but can't remember what it was.

http://www.ebay.com/itm/NEW-FORD-LINCOL ... ms&vxp=mtr maybe? You'd need to work ou the calibration for it, there isn't a specific resistance it needs but the internal pullup on temp inputs is 1K ohms from memory.

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 Post subject: Re: Air cooled head thermistor
PostPosted: Mon Apr 24, 2017 4:38 pm 
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Joined: Mon Jan 02, 2017 11:50 am
Posts: 39
ECU Model: S40 Pro
Firmware Version: 60
did you get sorted?


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 Post subject: Re: Air cooled head thermistor
PostPosted: Wed May 10, 2017 3:14 pm 
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Joined: Thu Nov 10, 2016 8:35 am
Posts: 28
ECU Model: S40 Pro
Hi.
For the time being I am doing my engine temp for startup etc using oil temp.
I know that the head heats up quicker than the oil but I'm doing ok with it so far.
If I could find a readily available thermistor with a 5 or 6 mm ring then I would be interested to try it.
No luck yet though..
Cheers.
Skel.


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 Post subject: Re: Air cooled head thermistor
PostPosted: Thu May 11, 2017 3:20 pm 
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Joined: Mon Nov 09, 2015 6:11 pm
Posts: 1
ECU Model: S60 Pro
I use a standard Bosch water temp sensor between the rockers, works great.

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 Post subject: Re: Air cooled head thermistor
PostPosted: Fri Nov 16, 2018 1:35 pm 
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Joined: Thu Nov 10, 2016 8:35 am
Posts: 28
ECU Model: S40 Pro
Hi guys.
So,, all year I have been running my air cooled injected katana using the oil temp instead of cyl head temp.
However its winter project time and I would really like to now change it to cylinder head temp.
I have found this on ebay.
https://www.ebay.co.uk/itm/THERMISTOR-1 ... rk:25:pf:0
To me this looks a perfect solution as its small and can be bolted on to the head somewhere discreet and out the way and out of the airflow.
Would this work with a DTA S40 or is the resistance too high ?
If its no good, can anyone suggest something similar that is readily available in UK/EU please ?

Cheers.
Skel.


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