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Old Mar 1, 2006 | 06:23 PM
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wideopen23's Avatar
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Egt Question

I am fairly new to the deisel world, I just bought a 02 PSD CC 4x4, iam sure this has been mentioned before but I cant seem to find the answer any where. The probe for the gage is mounted in the exhaust manifold on the drivers side, I can see it from the bottom of the truck.
I am a little concurned about the temps I am getting, oh yea tymer intake,4 inch exhaust turbo back ats dual.
out side air temp 85
pulling a 5K pound trailer up hill and it doesnt take long to get to 1000*.
I am worried because when I put on my fifth wheel which is alot heavier I dont want to run into problems.
Can someone give me numbers on this for where the probe is placed?
Thanks
 
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Old Mar 1, 2006 | 06:37 PM
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maxiumum sustained EGT is recommended at 1250* for no problems. you can go up to 1350* for a few seconds, but dont stay there for too long or youll be melting stuff and the tolerances will be getting too small, possibly causing the engine to lockup.
 
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Old Mar 1, 2006 | 06:39 PM
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That's normal numbers pulling a trailer. The never exceed degree is 1250. You can do 1000 all day long.
 
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Old Mar 1, 2006 | 06:40 PM
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Beat me to it Kris.
 
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Old Mar 1, 2006 | 06:41 PM
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ok thanks guys, does it matter where the probe is placed, diffrent numbers for diffrent locations>?
 
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Old Mar 1, 2006 | 06:46 PM
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Originally Posted by wideopen23
ok thanks guys, does it matter where the probe is placed, diffrent numbers for diffrent locations>?
The main difference is if it's pre or post turbo. Post turbo - subtract about 300 degrees to be safe, the turbo absorbs a lot of heat.
 
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Old Mar 1, 2006 | 06:48 PM
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ok mine is pre, thanks for the info
 
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Old Mar 1, 2006 | 07:05 PM
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man I dont see over 1000 towing my dump trailer with 3 cord of green oak/maple mix, and I've got DP's 80hp ECONO tune, quadzilla intake, zoodad, BTM, and WW.......am I just lucky or do you think somethin is wrong?
 
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Old Mar 1, 2006 | 07:21 PM
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You gotta lot of cooling and the DP tuner is good at keeping EGT's down. Fact is good quality chip offers more then just raw power
 
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Old Mar 1, 2006 | 07:41 PM
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Originally Posted by Kwikkordead
That's normal numbers pulling a trailer. The never exceed degree is 1250. You can do 1000 all day long.
I have read lots of places that you can run a PSD AT 1250* all day - just not over! While towing - I let off a little when she get's up near 1200* though and keep it under.

Originally Posted by Fire Rooster
the DP tuner is good at keeping EGT's down. Fact is good quality chip offers more then just raw power
Yet another reason I'll be going to a Jody chip!
 
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Old Mar 1, 2006 | 07:45 PM
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My EGTs are definately lower now that I have Jody's chip, when compared to the Predator I was running.
 
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Old Mar 1, 2006 | 07:53 PM
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Great question...thanks to those responding!

Let me add this...what is a good temp to set a cool down for? My edge will allow a temp to be set so you can walk away from the truck and it will idle until the turbo cools/egt temps come down. For many reasons I don't want to be idling for any longer than is required. Yet, I certainly want to do what is good for the turbo and use what I think is a great feature to my advantage.
 
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Old Mar 1, 2006 | 08:12 PM
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300 degrees or below. But honestly unless you have been towing, it will easily cool down to those temps by the time you pull into your spot, put the sunshade up, turn down the radio and undo your seat belt. I do this every time I shut her down and its perfect every time
 
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Old Mar 1, 2006 | 08:12 PM
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You want to let it cool down to 300* before shutting it down
 
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Old Mar 1, 2006 | 09:17 PM
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I agree that 300* or less. I have a turbo timer that I can set to leave the truck running, and it's set for 3 minutes. That will usually do it.
 
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