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exhaust temp

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Old Mar 23, 2009 | 01:07 PM
  #1  
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From: Everly Ia
exhaust temp

The best place to put an exhaust temp sensor. before the turbo are after. And if its before the turbo whats the temp run between and what about after the tubro
 
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Old Mar 23, 2009 | 01:46 PM
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From: Ocala
truest readings will come if you tap the #8 cylinder manifold. i wouldnt put it in the dp
 
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Old Mar 23, 2009 | 01:55 PM
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Ok so in order to do the manifold i have to take off the manifold? and do the tapping and anything else to do it
 
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Old Mar 23, 2009 | 01:58 PM
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From: Ft Scott
Originally Posted by iowastroker
Ok so in order to do the manifold i have to take off the manifold? and do the tapping and anything else to do it
No! Just drill and tap it right where it is.
 
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Old Mar 23, 2009 | 02:08 PM
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From: Everly Ia
I dont have to worry about getting melt shaving in to anything
 
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Old Mar 23, 2009 | 03:21 PM
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Most of the shaving will fall down as you drill. You can use a vacuum to get the rest of the pieces after it's tapped.

Crawl under the truck on the driver side and look up at the manifold:
.
.
.
 
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Old Mar 23, 2009 | 03:29 PM
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Why wouldnt you put in on the dow pipe? Thats where mine is?
 
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Old Mar 23, 2009 | 03:32 PM
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ok thanks. what about the temp then
 
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Old Mar 23, 2009 | 03:41 PM
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From: Ft Scott
Originally Posted by Cuda_jim
Most of the shaving will fall down as you drill. You can use a vacuum to get the rest of the pieces after it's tapped.

Crawl under the truck on the driver side and look up at the manifold:
.
.
.
X2
or you can fish around with one of them telescopic magnets to clear the chips from in the manifold
or you can dip a q tip in some grease and pick up the chips that way
I drilled and tapped mine with the engine running to blow any chips back out the hole.
 
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Old Mar 23, 2009 | 03:47 PM
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From: Ocala
Originally Posted by BlueMule
I drilled and tapped mine with the engine running to blow any chips back out the hole.
Awesome advice, I'm gonna use that trick when my gauges get here.
 
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Old Mar 23, 2009 | 03:49 PM
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Originally Posted by bleeds blue
Why wouldnt you put in on the dow pipe? Thats where mine is?
Very innacurate readings.
 
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Old Mar 23, 2009 | 03:51 PM
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Originally Posted by bleeds blue
Why wouldnt you put in on the dow pipe? Thats where mine is?
The closer to the pistons the more accurate readings. The probe in the DP is anywhere from 150-300 degrees cooler than the RH exh manifold.
By the time you see a max temp of 1250 in the DP your pistons may be as hot as 16-1700 degrees....melted or cracked at best. Every time the piston sees more than 1250...it's getting small fractures in it.
 
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Old Mar 23, 2009 | 03:52 PM
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Look here for more info:
https://www.ford-trucks.com/forums/7...s-for-tim.html
 
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Old Mar 23, 2009 | 03:58 PM
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From: Ft Scott
Originally Posted by KevinC.
Very innacurate readings.
Originally Posted by Cuda_jim
The closer to the pistons the more accurate readings. The probe in the DP is anywhere from 150-300 degrees cooler than the RH exh manifold.
By the time you see a max temp of 1250 in the DP your pistons may be as hot as 16-1700 degrees....melted or cracked at best. Every time the piston sees more than 1250...it's getting small fractures in it.
I know that seems to be the general consensus, but I don't agree. The probe in the manifold will respond quicker but with a few seconds the one near the turbo will be just as hot. Once the temps have stabilized the readings will be the same.
 
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Old Mar 23, 2009 | 04:09 PM
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Read that post Cuda...apparently I have to change the location of my sensor!
 
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