Engine temperature sensor - has anyone added one?

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Jake2015
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Engine temperature sensor - has anyone added one?

Post by Jake2015 » Wed May 29, 2019 7:45 pm

After melting my #3 piston, I want to add a temperature sensor to monitor #3 and/or #4. I found a 12MM CHT SENSOR designed for air cooled engines to be attached under an engine bolt or spark plug. Has anyone added this type of sensor or any other?

Thanks
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Garrycol
Australia
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Re: Engine temperature sensor - has anyone added one?

Post by Garrycol » Wed May 29, 2019 9:21 pm

I put a Engine Watchdog TM1 on my Haflinger - works fine. https://www.ebay.com/itm/ENGINE-WATCHDO ... xyk99R3NSK

Here is TheHaflinger thread on the topic. http://thehaflinger.com/viewtopic.php?f=23&t=3636

Garry
1973 Haflinger AP700
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rmel
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Re: Engine temperature sensor - has anyone added one?

Post by rmel » Wed May 29, 2019 11:15 pm

Of the 4 cylinders, #3 is runs the hottest. So it would be your best bet to monitor.

The best method is a Pyrometer directly in the gas flow of the exhaust header close
to the exhaust port.

I run with one/cylinder and it is a great way to keep an eye on the overall engine
temp esp. when your going up a very steep grade on a very hot day. VDO is among
the best, available at Summit Racing and other distributors.
https://www.summitracing.com/parts/vdo- ... gKKcfD_BwE

If you go this route invest in a SS bung to weld to the exhaust header, it's a TIG
job with the proper filler metal.
Puller: 71' 710K 2.7L EFI aka Mozo
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one2many
Australia
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Re: Engine temperature sensor - has anyone added one?

Post by one2many » Thu Jun 06, 2019 10:25 pm

To monitor my engine oil temps/pressures I use both, an oil pressure gauge and an oil temp gauge (VDO). For cylinders and heads I occasionally point one of those temp guns with the red dots, mainly to see any temp difference between cylinders.

My oil temp sensor is mounted under the oil thermostat but I don't really think this is an ideal location, I plan to move it to my sump for better accuracy
1985 pinzgauer 712K factory 2.7lt civilian (RHD, 4 door K)
1979 Volvo tgb 1314a (under construction to om606 diesel/722.6 trans. Dual cab/tray)

steyr92
Austria
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Re: Engine temperature sensor - has anyone added one?

Post by steyr92 » Mon Oct 21, 2019 7:00 am

the mount for oiltemp sensor under the thermostat is intended from steyr as far as i know to sit there.
in the sump i think the influence is much bigger from outside temp. in my opinion the perfekt spot would be after the thermostat and the cooler because either its bypassed or not u would get the temp the engine gets.
i placed mine also in the intended spot because its easier but if the cooler and cylinder fins are in summer i barely get to 90 degrees. more intresting in winter to see when its warmed up
regards

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