Oil Tempreture 291*
Both appear similar...however, I would not trust any automotive coolant sensor above around 240degF
The resistance of most are very non linear around that temp and would not be reliable above it. Unless you know the sensor has been proven above this.
You'd be better to test against a thermocouple or something actually intended for the temperatures you are testing.
Definitely a good idea for the test though.....did the fryer have a temp indicator on it ?
Although even despite the above....clearly your oil temps must be pretty damn high.
The resistance of most are very non linear around that temp and would not be reliable above it. Unless you know the sensor has been proven above this.
You'd be better to test against a thermocouple or something actually intended for the temperatures you are testing.
Definitely a good idea for the test though.....did the fryer have a temp indicator on it ?
Although even despite the above....clearly your oil temps must be pretty damn high.
The fryer had no digital temp read out on it i was using an infrared gun.
But anyways i think the sensor is way closer now, i adjusted the parameters to match the gm coolant sensor in the Holley setup. Even if it is only accurate up to 240, and mathematically configured above that.
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From: Norn Iron
a normal K type thermocouple offers a range of pretty much from room temp through to 1800-2000degF.
With car off, all ambients for my oil temp, air temp, coolant temp and EGT are very close to each other. So I'd have no real reason to say a thermocouple is not accurate at lower temps, even down to room temperature.
They arent just designed for high temp alone...but a wide range of temps including high temp. That's why they're so versatile.
With car off, all ambients for my oil temp, air temp, coolant temp and EGT are very close to each other. So I'd have no real reason to say a thermocouple is not accurate at lower temps, even down to room temperature.
They arent just designed for high temp alone...but a wide range of temps including high temp. That's why they're so versatile.
a normal K type thermocouple offers a range of pretty much from room temp through to 1800-2000degF.
With car off, all ambients for my oil temp, air temp, coolant temp and EGT are very close to each other. So I'd have no real reason to say a thermocouple is not accurate at lower temps, even down to room temperature.
They arent just designed for high temp alone...but a wide range of temps including high temp. That's why they're so versatile.
With car off, all ambients for my oil temp, air temp, coolant temp and EGT are very close to each other. So I'd have no real reason to say a thermocouple is not accurate at lower temps, even down to room temperature.
They arent just designed for high temp alone...but a wide range of temps including high temp. That's why they're so versatile.
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From: Norn Iron
Obviously you need a suitable amp to use with the sensor and to know it's calibration.
Innovate sell a fairly affordable amp, their TC-4 which allows the use of 4 K type thermocouples so you can record data.
Innovate sell a fairly affordable amp, their TC-4 which allows the use of 4 K type thermocouples so you can record data.
Not "dirt cheap", but may be a way to accurately diagnose.
http://www.fluke-direct.com/product/...al_thermometer
http://www.fluke-direct.com/product/...al_thermometer
9 Second Club
Joined: Nov 2003
Posts: 13,616
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From: Norn Iron
TC-4 is only $130ish and can run 4 thermocouples, just log/view on a laptop.
http://www.innovatemotorsports.com/products/tc_4.php
http://tunertools.com/innovate!!!-tc...mplifier).html
http://www.innovatemotorsports.com/products/tc_4.php
http://tunertools.com/innovate!!!-tc...mplifier).html
TECH Fanatic
Joined: Jun 2013
Posts: 1,163
Likes: 16
From: Avon, Ohio
1) Try the senror in a different location or on a reomte, dedicated line to make sure it is not expereincign any heat soak-but yes you will typically see higher temps with a filled block.
2) Why the hell are you running a filled block in a 140mph street car?
2) Why the hell are you running a filled block in a 140mph street car?
Im running a filed block in a street car because im stupid lol I just like to be tortured by a unnecessary challenge i guess lol
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