EGT Probe Location Idea - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 31 (permalink) Old 01-13-2013, 01:54 PM Thread Starter
Renegade Diesel
 
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EGT Probe Location Idea

I know most guy puts the EGT probe in the end of the exhaust manifold. But i was wondering how much different would it be if you drilled and tapped the collector pipe that feeds the turbo. I would think it would get more of accurate reading from a mix of both sides of the engine.

Then again it could be a terrible idea but i wanted to throw the idea out there at least for discussion

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its a 7.3 thing, you wouldn't understand.
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post #2 of 31 (permalink) Old 01-13-2013, 02:03 PM
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Re: EGT Probe Location Idea

Its far much easier to just drill and tap the exhaust manifold.
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post #3 of 31 (permalink) Old 01-13-2013, 03:29 PM
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Re: EGT Probe Location Idea

if you want to pull the turbo, then get a drill in there go head. If you pull the collector they are a pain sometimes to align back up with the dowel. I would just drill/tap the driers side manifold. you will get relatively the same temps

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post #4 of 31 (permalink) Old 01-13-2013, 03:35 PM Thread Starter
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Re: EGT Probe Location Idea

okay thanks,

the reason i ask is that im pulling the turbo to remove the EBPV soon and put new orings since its leaking and i was just curious as to wether there is any disadvantage or advatage to this location

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Originally Posted by dieselboy01 View Post
its a 7.3 thing, you wouldn't understand.
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post #5 of 31 (permalink) Old 01-13-2013, 03:50 PM
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The further away the EGT probe is away from the exhaust valves the more inaccurate it will be. A probe closer to the turbo will be affected by how much the exhaust cools as it goes up to the turbo which will very by how much air flow is going through the engine compartment at a given mph cooling off those up-pipes. If you ever put a truck on a dyno turn off all the shop lights and look at the engine I'll bet you'll say "Holy CRAP"!!!


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post #6 of 31 (permalink) Old 01-14-2013, 02:24 AM
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Re: EGT Probe Location Idea

You want to be as close to the cylinders as possible. The farther you are away, the less accurate your reading becomes.
post #7 of 31 (permalink) Old 01-14-2013, 04:20 AM
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Re: EGT Probe Location Idea

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Originally Posted by Renegade7.3 View Post
I would think it would get more of accurate reading from a mix of both sides of the engine.

On a stock turbo (or stock replacement turbo), the exhaust from each bank of the engine is kept separate all the way through the volutes of the turbine housing.

In other words, you'd STILL only be reading one bank.

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post #8 of 31 (permalink) Old 01-14-2013, 07:46 AM
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Re: EGT Probe Location Idea

X4 closer to the cylinders the better and more accurate.

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post #9 of 31 (permalink) Old 01-14-2013, 10:54 AM Thread Starter
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Quote:
Originally Posted by PHPDiesel View Post
On a stock turbo (or stock replacement turbo), the exhaust from each bank of the engine is kept separate all the way through the volutes of the turbine housing.

In other words, you'd STILL only be reading one bank.
Couldn't you gut that? Would it increase flow?

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Quote:
Originally Posted by dieselboy01 View Post
its a 7.3 thing, you wouldn't understand.
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post #10 of 31 (permalink) Old 01-14-2013, 11:44 AM
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Re: EGT Probe Location Idea

i had always thought the outlet of the the turbo on the dp?? if i'm taping and probing manifolds i would do both and have two gauges....
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