6.0 EGT - Diesel Forum - TheDieselStop.com
Upgrades and Aftermarket - 6.0L Engine Upgrading or adding OEM or aftermarket equipment to your 2003-Up Super Duty or Excursion with 6.0L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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post #1 of 19 (permalink) Old 07-11-2003, 06:52 PM Thread Starter
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6.0 EGT

Whats the highest safe EGT to run the 6.0 at? What's the up most limit before meltdown?
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post #2 of 19 (permalink) Old 07-11-2003, 11:32 PM
 
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Re: 6.0 EGT

I just got my pyrometer hooked up tonight and took the truck out for a test drive, on a warmed up engine WOT accel empty the gauge went as high as 1100 F, most of the time it was between 400-800. No engine or exhaust modifications yet. The Probe is installed in the drivers side exhaust manifold before the turbo inlet pipe.

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post #3 of 19 (permalink) Old 07-13-2003, 12:54 AM
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Re: 6.0 EGT

Other members have posted a 1200 degree limit. I have not seen my stock temp go above 1100 unloaded. I haven't towed a good load yet.

Delivered 4/7/03 (Bobby Williams-Sunrise Ford), Silver, CC XLT 156, 4x4, 6.0/TorqShift, RVAS, Adv. Sec., ESOF, Power Mirrors, Lim. Slip, Captains, Privacy, Al Wheels, and Adj. Pedals (for the lady). Luckily only minor problems thus far.

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post #4 of 19 (permalink) Old 07-13-2003, 02:05 AM
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Re: 6.0 EGT

I am not going to give an exact number, but "the up most limit before melt down" is way higher than anyone has mentioned. We only have been to extreme temperatures for very short amounts of time, but no problems yet. WE have towed at 1250 for extended periods of time with no problems. It also depends on your gauge and probe. We use a high intensity probe so we see temps that most people never do because they can't respond as fast.
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post #5 of 19 (permalink) Old 07-13-2003, 12:51 PM Thread Starter
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Re: 6.0 EGT

I'm a little new to stepping up a turbo deisel, have been running turbos on cars for years. I know I can take a car to 1450-1500 with out fear of meltdown, just curious to how a 6.0 would compare.
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post #6 of 19 (permalink) Old 07-13-2003, 02:51 PM
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Re: 6.0 EGT

[ QUOTE ]
I know I can take a car to 1450-1500 with out fear of meltdown,.....

[/ QUOTE ]
But for how long?
[img]/ubbthreads/images/graemlins/eek.gif[/img] [img]/ubbthreads/images/graemlins/eek.gif[/img] [img]/ubbthreads/images/graemlins/confused.gif[/img]

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post #7 of 19 (permalink) Old 07-13-2003, 03:49 PM Thread Starter
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Re: 6.0 EGT

Drag racing I've seen guys run up to 1650 and never have a problem, road racing I wouldn't go over 1400.
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post #8 of 19 (permalink) Old 07-14-2003, 08:34 AM
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Re: 6.0 EGT

The real problem with the 6.0L isn't EGTs, but cooldown.

A 7.3L will cool down below 300 degrees in a minute or two.
Due to the vaned turbo, it takes FOREVER to get this thing under 400 degrees.
Plan on giving the engine at least a solid two minutes to cool if you have the time.
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post #9 of 19 (permalink) Old 07-14-2003, 12:54 PM Thread Starter
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Re: 6.0 EGT

I understand the cool down, but how hot can I run the egt's? We are playing with my freinds truck, would like to keep it from dieing.
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post #10 of 19 (permalink) Old 07-14-2003, 01:01 PM
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Re: 6.0 EGT

I remember a post that supposedly came from Navistar on the 7.3 saying do not exceed 1300 degrees F. As the other poster said he wouldn't run over 1400.
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post #11 of 19 (permalink) Old 07-14-2003, 02:52 PM
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Re: 6.0 EGT

I'm sure the trubo can stand some serious temps, but if you want to make sure that no damage will ever happen, respect the 1,300 red line.
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post #12 of 19 (permalink) Old 07-14-2003, 05:02 PM Thread Starter
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Re: 6.0 EGT

1300 is it, I would have thought they could go a little higher, around 1450-1500. Guess not. Is that a temp reading before the turbo?
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post #13 of 19 (permalink) Old 07-14-2003, 06:31 PM
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Re: 6.0 EGT

[ QUOTE ]
1300 is it, I would have thought they could go a little higher, around 1450-1500. Guess not. Is that a temp reading before the turbo?

[/ QUOTE ]

Be careful what you're guessing about. comparing temps of Diesels and gassers is like comparing apples to oranges. Gas motors will run quite a bit hotter (WRC cars run way hotter that what you mention above) than Diesels. Probably not a good idea to push temps past the red zone, as you might encounter some problems.

(Turbocharger) turbine housing and center housing materials are selected for specific temperature applications, and if you go much above the recommended limits, you might be asking for trouble. True, you might be able to get there for a while, but long term durability may suffer.

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post #14 of 19 (permalink) Old 07-14-2003, 09:11 PM Thread Starter
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Re: 6.0 EGT

[ QUOTE ]
turbine housing and center housing materials are selected for specific temperature applications

[/ QUOTE ]


The housing and cartridge are made out of cast iron, while the turbine wheel and shaft are made of Inconel. They both can withstand a lot more than a piston can. Were is the red zone?
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post #15 of 19 (permalink) Old 07-15-2003, 05:42 AM
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Re: 6.0 EGT

It's not the turbo that will fail, it's the pistons.
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