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Pre or Post for EGT probe

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Replacing my manifold and was curious what you guys think is the best place to run a pyro if you are only using one.  I was running a single pre turbo but debating adding a second or relocating my single.  I know this horse has beaten a lot but I couldn't seam to find a good thread on it here.

Does post only give you a better actual turbo temperature and that's it or are there other benefits to post turbo probes?

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  • TFaoro
    TFaoro

    Pre-turbo gives a better indication of combustion temperatures and the heat the turbine wheel on the turbo is seeing. If you want to run a pre-and post, I think that would be fine. If you are only run

  • Mopar1973Man
    Mopar1973Man

    I've had some friends that ran both pre and post pyrometers. The post is not worth much being it can be 500*F colder or more. Best to be pre turbo like @TFaoro said above.

  • AH64ID
    AH64ID

    They each show different things, but if you plan to run just one then run a pre turbo pyro.  The post is better for indicating you are lugging as well as proper shutdown temps.  

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Pre-turbo gives a better indication of combustion temperatures and the heat the turbine wheel on the turbo is seeing. If you want to run a pre-and post, I think that would be fine. If you are only running one, I would strongly advise you stay with pre turbo.

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    So my old thermocouple is stuck do you guys think heating with a torch will damage it as long as I don't burn the wires?

    They each show different things, but if you plan to run just one then run a pre turbo pyro. 


    The post is better for indicating you are lugging as well as proper shutdown temps.  

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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.