Quick EGT question - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 02-23-2013, 01:09 PM Thread Starter
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Quick EGT question

Just wanted to make sure I understand EGT's correctly. I am running an Edge Evo and just using it for monitoring since I have a dp tuner. At wide open throttle and the dp tuner on the highest setting my EGT's will spike above 1250, the max I've seen it go was around 1360. I never really stay in the throttle for very log at WOT so just wanted to clarify as long as The EGT temp is not maintained above 1228 (melting temp of aluminum) for long periods of time, I should be just fine?

Please feel free to enlighten me! Thanks in advance!

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post #2 of 13 Old 02-23-2013, 02:08 PM
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What does your boost look like? Those EGT's are a little high, but not extreme.

Spikes above that temperature are okay, but staying at a high temperature for an extended period of time will cause damage.

What are your EGT's when just cruising?

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post #3 of 13 Old 02-23-2013, 02:30 PM Thread Starter
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Cruising around the city at 45 Mph in 80 Econ EGTs are around 420 and 1-2 psi. 310 ish at idle. And those spiked out EGT's were just stomping on the throttle for a couple seconds.
Looking through my Evo the max EGT was 1527. Max PSI 21.4

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post #4 of 13 Old 02-23-2013, 02:35 PM
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Originally Posted by shanerbanner10 View Post
Cruising around the city at 45 Mph in 80 Econ EGTs are around 420 and 1-2 psi. 310 ish at idle. And those spiked out EGT's were just stomping on the throttle for a couple seconds.
Looking through my Evo the max EGT was 1527. Max PSI 21.4
Okay, the cruising EGT's look normal. That max EGT is high. You should be making more boost than that with stage 1's and a 38R.

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post #5 of 13 Old 02-23-2013, 02:38 PM Thread Starter
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So I should probably take a look at the compressor wheel?

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post #6 of 13 Old 02-23-2013, 07:26 PM
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take a look at ur up pipes

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #7 of 13 Old 02-23-2013, 07:27 PM Thread Starter
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Check for leaks and soot?

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post #8 of 13 Old 02-23-2013, 11:08 PM
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take a look at ur up pipes

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Check for leaks and soot?
Yes, and do a boost leak test by pressurizing the system. Just Google boost leak test and you will see how to do it.

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post #9 of 13 Old 02-24-2013, 05:23 AM
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Making sense

Trying hard to make sense of your numbers.





Mine are left to right....

EGT, Trans Fluid Temp & Turbo Boost

EGT & Trans Temp in degrees C Turbo Boost in PSI

I'm guessing yours are degrees Fahrenheit?.

Not sure how they match up - I just keep my EGT under 650C

Hope that helps.
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post #10 of 13 Old 02-24-2013, 06:46 AM Thread Starter
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Yes mine are Fahrenheit, and I know what my EGT's should stay under the question more or less was when I stomp on the go pedal for a couple seconds occasionally my EGT's spike above 1250 but only for a second or 2... Don't want to hurt the truck and just wanted to seeing that was anything out of the norm.

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