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Old 07-20-2019, 07:17 AM   #1
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Diesel EGT

Thought I would ask for comments from folks who tow with diesel TVs.

Max/safe EGT (exhaust gas temp) is my topic here.

I pick up my 21 next month and will be returning home thru the mountain west so there will be plenty of fairly steep grades to negotiate on the roads I like to travel on. My EGT must be monitored when on these grades because I have added increased performance devices.

I have a 2002 Ford 7.3L bullitpruf diesel with several after market devices that can have some affect on EGT.

Banks Power 'Big Hoss Diesel Tuner' configured to increase HP by 85 and I can't remember the torque increase.

Stacked with the Banks 'Six Gun Tuner' set to level 3 usually. Level 1 is for sissies and level 6 is a Moltengator. Towing is done at the lower levels. EGT and boost are displayed.

Replaced stock turbo with Garrett upgrade and added the Banks 'Big Head Wastegate' to it.
four inch up and down pipes to a huge Banks Intercooler.
AFE fresh air intake for air feed.

Four inch straight thru exhaust.

I have the Banks exhaust brake but can't see that having any effect on the EGT

I have my EGT alarm set to 1150. No problem with 1150 but it's time to start monitoring it closely here.

I have talked to many about this and opinions are all over the place. I think 1200 is a safe level and anything over that for extended periods should be considered risky. Short bursts of 1400 or so such as acceleration are ok but don't extend it. This is my thinking.

Be interested to hear from others more knowledgeable than I about their thinking on monitoring their EGT in hilly/mountain country.

For those Diesel TV owners with stock engines, don't concern yourself with this. Those of us who have added various tuners to increase performance need to be aware of EGT.
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Old 07-20-2019, 07:53 AM   #2
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Wow, until two years ago I drove diesels for 25 years, mostly Fords and one Dodge, and had never heard of EGT less had to be concerned with it. Did I miss something?

I did tow my Escapes on shorter mountain trips with them, and they did not even realize they were there to much of a degree and everything went just fine. Even pulling heavier work trailers there was never an engine issue.
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Old 07-20-2019, 09:03 AM   #3
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I would get a new truck, yours is grossly over what is needed and unless you will be towing your other units, overkill. Can you return your unit to stock? that may help, but you have set it up for work it will never perform with the Escape, like towing with a race car and worrying about overheating at speeds under 100 mph...you understand my point?
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Old 07-20-2019, 09:21 AM   #4
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Originally Posted by cpaharley2008 View Post
I would get a new truck, yours is grossly over what is needed and unless you will be towing your other units, overkill. Can you return your unit to stock? that may help, but you have set it up for work it will never perform with the Escape, like towing with a race car and worrying about overheating at speeds under 100 mph...you understand my point?


He’s got way too much time and $ invested to give that truck up without a really compelling reason. Either the truck can’t cut it in some way, or something else is even more tempting. That gives me an idea...

Say, Charles, you could trade your rig in for a Raptor!
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Old 07-20-2019, 10:44 AM   #5
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Originally Posted by Jim Bennett View Post
Wow, until two years ago I drove diesels for 25 years, mostly Fords and one Dodge, and had never heard of EGT less had to be concerned with it. Did I miss something?
No, you haven't missed anything, because you were presumably driving with stock engines. In contrast...
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... My EGT must be monitored when on these grades because I have added increased performance devices.
Older aircraft and very old cars have a "mixture" control - using it is a bit like tweaking an old manual choke all of the time (and of course does not apply to a diesel). Since the pilot or driver has control of how rich the air:fuel mixture is, the result of the adjustment must be monitored regularly, and so these aircraft have exhaust gas and cylinder head temperature gauges. In modern vehicles of any kind, this is all done by automatic controls, so the operator doesn't have anything to adjust and doesn't need to monitor anything... fortunately, since most people would do this very poorly. A modern standard of emissions control is not achievable with manual tweaking of fuel mixture.

For almost everyone now:
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Originally Posted by 75thRanger View Post
For those Diesel TV owners with stock engines, don't concern yourself with this. Those of us who have added various tuners to increase performance need to be aware of EGT.
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Old 07-20-2019, 11:15 AM   #6
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Originally Posted by 75thRanger View Post
I have a 2002 Ford 7.3L bullitpruf diesel with several after market devices that can have some affect on EGT.
So you are saying that your Ford 7.3 is not "bullitpruf"?
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Old 07-20-2019, 03:40 PM   #7
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So you are saying that your Ford 7.3 is not "bullitpruf"?
It is indeed bullitpruf. 330K and better than a new one. The 7.3L is the best! I have replaced some units, starter, alternator, etc but the engine itself has not cost me a nickel.

Service has been performed rigorously
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Old 07-20-2019, 03:42 PM   #8
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Originally Posted by sclifrickson View Post
He’s got way too much time and $ invested to give that truck up without a really compelling reason. Either the truck can’t cut it in some way, or something else is even more tempting. That gives me an idea...

Say, Charles, you could trade your rig in for a Raptor!
What kind of Raptor? You have your eagles and then your hawks
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Old 07-20-2019, 03:50 PM   #9
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Originally Posted by cpaharley2008 View Post
I would get a new truck, yours is grossly over what is needed and unless you will be towing your other units, overkill. Can you return your unit to stock? that may help, but you have set it up for work it will never perform with the Escape, like towing with a race car and worrying about overheating at speeds under 100 mph...you understand my point?
My truck is a 'Farm Truck' as defined by Texas DMV rules and indeed 'Farm Truck' is on the plate. I pay no fuel taxes and get other tax breaks also. I do just about everything but engage in our local sled pulling contests.

I know I don't need this truck to pull the Escape but I ain't buying another just to pull it with. Altho that would be a good reason to go look at news ones. hmmmm
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Old 07-20-2019, 03:53 PM   #10
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Couldn’t you just revert the truck back to the original factory equipment.
and eliminate the problem ? . As it came from the factory the truck is certainly capable of towing any fiberglass trailer on the market
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