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Thread: EGT K type Thermocouple Probe

  1. #1
    Lifetime Member Beer99C5's Avatar
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    Default EGT K type Thermocouple Probe

    What are the benefits of logging EGT? Is it worth the trouble for self tuning on a daily Driver (ocassional Nitrous spray?) or is it overkill?

    Is this compatable with V1?

    Product: #Caspers 103301 - EGT K type Thermocouple Probe
    Price: $59.95
    Category: PCM & Electrical
    Availability: In Stock
    Manufacturer: Caspers Electronics
    Weight: 2.00
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    Lifetime Member Doc's Avatar
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    Yes it will work with V1. Not sure of the benefit for a gasser that already employs a WBO2. Definetly a must for the diesel crowd. Maybe somebody more knowledgeable will pipe in. Bump for ya.

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    I am not the greatest historian but I think EGT was the affordable/more possible option before WB came on the market. Maybe that is why it has such hold.

    I wonder why it seems airplanes use EGT and not WB?

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    Lifetime Member killerbee's Avatar
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    Quote Originally Posted by 2002_z28_six_speed

    I wonder why it seems airplanes use EGT and not WB?
    same reason the TD crowd does. To protect the turbine.
    Michael, Systems Engineer 04.5 D-max LLY, Phoenix, Arizona Email
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    I know on outboards EGTs are used to dial in tuning, dont think there's a feasible way to get a WBO2 in one of them! lol
    ~Erik~
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    Quote Originally Posted by 2002_z28_six_speed

    I wonder why it seems airplanes use EGT and not WB?

    Aviation fuel for piston engine aircraft still contains lead.

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    Quote Originally Posted by Meghan
    Aviation fuel for piston engine aircraft still contains lead.
    Aww! I see. I know turbines need to watch core temps: Pin 3701 (CRJ200) from a couple years ago.

    But I was orginally referring to piston aircraft. You nailed it though. Thank you for your response.

  8. #8
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    Everyone thinks EGT when talking about Thermocouples (TC), but don't forget that a K type TC can accurately measure temperature ranges from below -200°C to above 1200°C. This means that you can basically use them for any temperature you want to measure in your vehicle. Depending on the type of probe end you use you can even get fast response in IAT or CHT.

    Personally I don't waste my TC's on EGT since I run a WB02, however I almost always have more than a few located before and after the intercooler and before and after the compressor (supercharger).

    Mind you given unlimited resources I would run at least 1 EGT after a Turbo or 1 at each exhaust port if supercharged.
    The point is EGT may not be important for most of us with a WB02, but having the ability to record temperatures can be an invaluable tuning tool for hashing out the thermal performance of any system.

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    You are correct and I have actually be experimenting with just that.

    When I was having trouble with my IAT I used a thermocouple to compare the IAT sensor against another sensor to see if underhood temps were really getting that hot AND where could I move a sensor to get less error.



    GOOD POST!

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    six speed, which type of thermocouple did you use for the IAT comparison? i'm in the market for few of them currently...

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