Ex temp.
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This is a discussion on Ex temp. within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey guys I have a 04 wrx what should I be running for ex temp?...

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    Ex temp.

    Hey guys I have a 04 wrx what should I be running for ex temp?

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    OMG WTF MainFrame's Avatar
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    Depends on where you put the sensor.. in general, you don't really want to go much over 1650ºF during prolonged WOT. That is, if you have the sensor on the #4 primary within an inch or two from the head. The only thing you really need exhaust temperature readings for is to dial in the timing on an aggressive tune.

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    Okay. Well it just will climb up to 1600 when I'm getting on it

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    And I was scared that it was to hot for the car. Also I have subs in my car and when they are on the gauge moves around alot to the beat of the music. Guessing the gauge is bad or wired up wrong?

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    Where is the sensor?

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    You know I have no idea.

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    Quote Originally Posted by Dillon.merren96 View Post
    You know I have no idea.
    If you didn't install the sensor, it's in the UP and can't be used for EGT diagnosis.

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    I'm not sure where it is. Is it hard to find?

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    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by Dillon.merren96 View Post
    You know I have no idea.

    1600 degrees in the uppipe could be over 1800 degrees at the heads, which is hot enough to melt stuff.


    The gauge moving with the beat of the music means it's not properly grounded.. if the gauge is grounded badly I wouldn't trust any of its readings.

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