EGT probe after the turbo? - Ford Powerstroke Diesel Forum

 
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post #1 of 10 Old 10-05-2010, 04:24 PM Thread Starter
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EGT probe after the turbo?

Ok so i am ordering my guages this week and am a little leary about drilling and tapping my manifold. I had thought about going into the exhaust pipe just below the manifold similar to doing a weld in O2 sensor. Today however I was talking to a guy who put his EGT probe in his down pipe just after the turbo and was told it would be about 400deg lower there than at the manifold, does this sound right or would I just be better off going into the manifold?
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post #2 of 10 Old 10-05-2010, 04:32 PM
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No, you need the probe BEFORE the turbo. That is where it is critical. You are watching EGTs to keep them down to prevent turbo damage. You can't do that by looking at the temp after the turbo. Keep it pre-turbo.

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post #3 of 10 Old 10-06-2010, 10:45 AM
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Pre turbo, and don't be scared. I was scared going into it, but it was very easy to do.

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post #4 of 10 Old 10-06-2010, 10:52 AM Thread Starter
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thanks guys, i had pretty well decided that I was gona go into manifold but this guy I was talking to acted like it was a fairly common thing to do it post turbo so I was curious. I was told that there is local shop that goes post turbo regularly unless told to go into the manifold. but thanks for the input and ill just go with my original plan....
Jim

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post #5 of 10 Old 10-06-2010, 10:57 AM
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I'm post turbo, everyone has there own opinions. Just keep in mind that post turbo is 300 degree difference.


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post #6 of 10 Old 10-06-2010, 11:10 AM
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Quote:
Originally Posted by LNS4x4 View Post
I'm post turbo, everyone has there own opinions. Just keep in mind that post turbo is 300 degree difference.
I would rather not worry about doing math when I'm pulling a steep grade with a trailer on the back .

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post #7 of 10 Old 10-06-2010, 11:21 AM
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I have an edge insight, so my alerts are set. So I guess its a tad bit easier for me.


2005 6.0 PSD XLT SD FX4 CC LB

Engine:
SCT, SRL, Atlas 80, Arp's, Bulletproof Oil cooler w/ Cold weather package, All aluminum radiator, Bulletproof water pump, Sinister Full Delete, 4" Mbrp turbo-back, Banks Techni-Cooler, Banks intake, Edge insight CTS, Diesel site coolant filtration, CCV Mod.

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post #8 of 10 Old 10-06-2010, 12:16 PM
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it has been beat to death! pre turbo cause the #'s varry as to how hot. some guy put one pre and post and it was shown that the numbers are not always 300. plus I want to know what is goin in not commin out and has caused damage already.

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post #9 of 10 Old 10-06-2010, 12:35 PM
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Originally Posted by dannanw View Post
it has been beat to death! pre turbo cause the #'s varry as to how hot. some guy put one pre and post and it was shown that the numbers are not always 300. plus I want to know what is goin in not commin out and has caused damage already.
but we have two manifolds


2005 6.0 PSD XLT SD FX4 CC LB

Engine:
SCT, SRL, Atlas 80, Arp's, Bulletproof Oil cooler w/ Cold weather package, All aluminum radiator, Bulletproof water pump, Sinister Full Delete, 4" Mbrp turbo-back, Banks Techni-Cooler, Banks intake, Edge insight CTS, Diesel site coolant filtration, CCV Mod.

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post #10 of 10 Old 10-06-2010, 03:59 PM
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Quote:
Originally Posted by LNS4x4 View Post
but we have two manifolds
Yes, which is why some people (hopefully, I will be one of them very soon) who run a pyro in both manifolds. However, even running one, your cylinders are mostly balanced so monitoring at least one side is sufficient for protecting the turbo.

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