3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Watch Your Egt's

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Old Oct 31, 2007 | 12:56 AM
  #16  
Flattman's Avatar
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Originally Posted by Dodge man
Calm down everyone.
No kidding, the sky is not falling. Yes I have a 6.7 and I don't have a ton of miles on it, but I sure haven't seen post after post about melted pistons and melted turbos or fried egr coolers. Of course there are some and there will be failures, there always are; but there are a lot of guys here working the heck out of their 6.7s with few problems if any. If mine does melt down, the dealer gets to fix it for the next 100K plain and simple.

Some of you may dislike the new 6.7 engines and that's fine, but the fact is you have options and you don't have to buy one if you don't want to. I just have a problem when people complain about something they don't have. As a newbie here, it's interesting that so many of the 5.9 crowd hang out in the 6.7 section and how some feel inclined to comment on how poor this engine is and how bad it's going to be. Does it help you to justify what you own? The way I see it is if you didn't have a hint of wanting the new 6.7 in your bones, you wouldn't be following its certain demise so closely.

Change happens. Some of us choose to be part of it while others can keep what they have forever claiming it's the best that's ever been. And I can appreciate that you're happy with what YOU have. But in return, please give us losers that are enjoying the power of our six-speed, engine braked 6.7s every day the same consideration.

Sorry for being off topic, but just when I think I can get some education from a thread, the negativity pops up again and it gets overwhelming sometimes.
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Old Oct 31, 2007 | 07:29 AM
  #17  
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Originally Posted by stock600
ha ha , id get an attitude also if i payed 40+ thousand for truck its first year on a new untested, unproven, egr having , regen doing, high egt having, low milage getting truck. i hope chysler gets these problems ironed out , in the next 8 years 250-300,000 miles, cause i may be ready for something new.
something new? What would you buy that would be better? It will all be worse in 2010 anyway and everyone will be wanting an 08 leftover 6.7L. Just like everyone one wants a leftover 325hp 5.9L. Just like when everyone wanted a leftover 305/555 instead of the new 325hp.

Do you see a pattern?

BTW, the first catalyst located in the dowpipe is called a close coupled catalyst (CCC). It's main function is to ignite the raw fuel that comes out of the turbine. That is why the EGT's are higher downstream.
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Old Oct 31, 2007 | 10:21 AM
  #18  
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From: terrell,texas
sorry to vent on the 6.7 i, have family and friends with them, we all want the best for our trucks, good luck , still thinking some issues will get ironed out with programming. thats what the dealers are telling BILaw.
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Old Oct 31, 2007 | 11:28 AM
  #19  
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From: Montpelier, Idaho
Originally Posted by Buckshotmckee
You need to back off this guy! He's just reporting what he saw from his gauges! Did you ever thing that he maybe got a bad gauge? Maybe there is something wrong his truck? Did you ever think about that??? NO! BACK OFF!
I was pertaining to nOne and he was not saying what his guages said he was saying that it gets hotter after it leaves the turbo and needs 1300+ at the dpf to work and that is way wrong. Yes maybe I was a little harsh. I didnt see that he had a guage on his dpf to read the temp them also. The guy that started the post not one word was said to him because he is right. I dont appriciate you saying the stuff you did not even knowing what is going on. Read alittle better and maybe you will understand more of the situation, and who to I am referring to. I stated the facts that are true for the temps and he stated maybe what was in his head that was totally wrong. I am just sick of people that bash the 6.7 motor. Most of the people that post bad things dont even have one. Its what there heard or happened to there buddy. I can gurantee you that I am not the only ****** off one about this. That was nice to delete my posts. Thanks
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Old Oct 31, 2007 | 11:35 AM
  #20  
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From: Montpelier, Idaho
Originally Posted by stock600
see my list of mods , my probe is in the manifold my cruising egts are 450-600 the highest ive ever seen is pulling my race car up a good long grade at wot to see what i could get it to, max was 1300 may be a tick under, mine runs cooler than several of my buddies, but my B.I.Laws 6.7 with same guage in same location in the manifold runs 900 -1100 cruising he want even drive it hard because hes scared of the temps. i didnt see it, was not there but he said he can make it get to 1500 pretty easy unloaded, this is crazy, KMK was the attitude tward me or whoever made the comment about the temps, the guy that started the thread? i just call it as i see it, not speculating here i ride in his all the time he will not even get on it as if his embarast of it, come on if we cant run ours that hot why would it be diff. on the 6.7 , miles will show lets see if it can hold up to the 5.9 reputation i hope so.
No I was reffering to nOne who said temps at the dpf were 1300+. I dont know if you read my post but it stated the facts about the temp I will put t back up. I know these trucks run hot I have to egt guages they run way hot. But down stream to the cat and dpf they cool off.
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Old Oct 31, 2007 | 11:37 AM
  #21  
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From: Montpelier, Idaho
Temp Variations and conditions:
It takes 482-572 degrees at the inlet of the DOC for a regen to occur.
Over 1112 degrees, the precious metal (platinum) starts to crack
Over 1382 degrees, the catalyst and filter start to melt.
This system in a good running state will regen between 600 and 1050 degrees.
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Old Oct 31, 2007 | 11:41 AM
  #22  
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From: God's Country (Castle Rock, Co)
So exactly WHO were you referring to when you made this statement???

Originally Posted by KMKDiesel
Where in the EDIT are you getting your info you are way wrong. I hate it when people say things about the 6.7 that are not true. If you do not know what you are talking about shut your EDIT mouth. No one wants to hear false info about the 6.7 and rumors. You might have not known your info was wrong so research before posting.
Whomever it was you were way out of line, especially with the language you used and that's the bottom line!
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Old Oct 31, 2007 | 05:27 PM
  #23  
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From: Montpelier, Idaho
Sorry about the language it was way immature to use that I think it was referring to nOne but since our post were deleted i do not remember exactly what he said but it was totally wrong info.
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Old Nov 1, 2007 | 10:58 AM
  #24  
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From: Monroe, La
6.7 EGT's

Didn't mean to create a "Fire Storm" with my initial post...just a comment. My guages are Danin/Optix and I have full faith in them. The install was made by
someone who is an "Ace Mechanic",as well as a "Tech Whiz" that writes a regular column in a diesel magazine....I also installed a PML transmission pan
for the 68rfe auto transmission. This gives an extra three quart capacity of
fluid...the result was that even in stop and go traffic in Dallas, the trans temp
was so low that I didn't believe the gauge reading (110-120 degrees). Took it
back to him the next day and tested the sender with a butane torch and infrared gun...reading was right on, up to 180 degrees....And for the record,
I love my 6.7L...the power is awesome and the transmission is butter smooth.
I was advised by the installer that the temps would be higher on the EGT's
but that the new metal alloys used in the 6.7 give a little safety margin.....
This was my wife's first ride in the new Ram and her comment was that it is so quite and rides so good that now she doesn't mind going in mine instead of
her Yukon XL.....Man I'm in trouble now!!!!!(Sorry for the margins, don't have
this computer thing down pat yet.)
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Old Nov 1, 2007 | 03:23 PM
  #25  
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From: Claxton, GA
I wouldn't worry so much about the EGT's with a stock motor. They should be just fine. If you go to modify it I would then watch the EGT's but in reference to what the stock EGT's were. Not that alot of people are modding the new engines. Just my opinion. I personally like being able to watch all the gauges, it helps me see if I might have a problem and to take appropriate actions. My motors runs hotter than the 305/555 and I would no doubt expect the 6.7 to be even hotter for cleaner emissions. Just go have fun and monitor them but don't get all bent out of shape......02cts.
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Old Nov 1, 2007 | 04:44 PM
  #26  
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From: Venice, Florida
How about all the people that don't have gauges..! They don't know it's getting that hot and I bet they're still driving it like they stole it. If you didn't know, what would you do about it..
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Old Nov 1, 2007 | 06:55 PM
  #27  
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Originally Posted by blownsmoke
How about all the people that don't have gauges..! They don't know it's getting that hot and I bet they're still driving it like they stole it. If you didn't know, what would you do about it..
EXACTLY! I don't have gauges (not that I won't some day), but like this forum; sometimes too much information can take the fun out of owning one of these awesome machines! Yes, there is a ton of great info here and you can watch trends, but you have to find a balance.

You can read about the problems people have (or don't have yet) and it's easy to let paranoia set in. I'll admit that happened to me with my Powerstroke 6.0. Ok, it did strand us on vacation and ruined what we planned for 6 months, but I never trusted the truck after that. Every mile I drove I thought it would break down just like someone else's did on the Powerstroke forum.

I am not going to let that happen with my 6.7. I'll walk away from the forum first.

I'd say 99.9% of us 6.7 owners are under warranty unless you've voided it with mods. So just enjoy the beast and stop comparing it to the previous models! Let Cummins and Chrysler fix what goes wrong for awhile, I trust they'll figure it out for the majority of our trucks. I can't imagine that Cummins wants to or is willing to follow in International's/Powerstroke 6.0 steps.
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Old Nov 1, 2007 | 07:05 PM
  #28  
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From: Montpelier, Idaho
If you are stock then you need not be worried because if something happens the warrenty will cover it. And a stock motor with no problems should never get hot enough to worry about.
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Old Nov 1, 2007 | 08:34 PM
  #29  
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From: Claxton, GA
Originally Posted by KMKDiesel
If you are stock then you need not be worried because if something happens the warrenty will cover it. And a stock motor with no problems should never get hot enough to worry about.
Exactly!!!!!!!!!!! Why worry about it. It's easy to get caught up in all the negative things that happen.
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