Egt while towing - Page 3 - Ford Powerstroke Diesel Forum
General 6.7 Discussion (2011-2016) General 6.7 Discussion

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post #21 of 24 Old 07-03-2019, 09:38 AM
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Don't mean to hijack the thread, but I'm curious to hear from those that have Pre-turbo EGT probes how much hotter they are on average than the post turbo EGT probes from the factory.

If the safe limit is 1350 for extended periods, and you are seeing that pre turbo, what would EGT1 - EGT4 gauges be showing? I reckon they are lower, but by how much? Or is it foolish to try to rely on EGT1 as a meltdown alarm on a stock truck?
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post #22 of 24 Old 07-04-2019, 08:23 AM
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Or is it foolish to try to rely on EGT1 as a meltdown alarm on a stock truck?
I'm guessing that on a stock truck, there isn't much chance of it "melting down". Ford makes sure that isn't going to happen (as do all the other mfg's). It's only when we start making changes that stuff can go wrong.

Just sayin'.
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post #23 of 24 Old 07-05-2019, 08:48 AM
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I'm guessing that on a stock truck, there isn't much chance of it "melting down". Ford makes sure that isn't going to happen (as do all the other mfg's). It's only when we start making changes that stuff can go wrong.

Just sayin'.
I'm not sure what the 6.7 does in regards to high EGT readings, if it de-fuels or what, but I can tell you that you can absolutely melt down previous powerstrokes in stock form. If you have Boost leaks or intercooler tube failures that you ignore and keep driving on, the truck will just keep fueling and things will get HOT! Ask me how I know.

So that's where my question stems from. If I see say 1100 on EGT1, what does that mean for pre turbo temps. I'm sure someone who has the added EGT probe has noticed some correlation between the two.
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post #24 of 24 Old 07-05-2019, 09:27 AM
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Update on the bone stock question...Towing 10K trailer.

So pulling a long grade leaving Colorado...went into regen. The lowest temp I could manage was 1275. That was 60mph in 4th. Most of the time it was around 1350...bouncing off of 1400 occasionally.

I only recently installed the monitor so I have no idea what temps I was getting before. I use to just put in drive and let it manage itself. I never noticed it de fueling or cutting power. I can almost guarantee that it was well above 1400 on hills based on the way I have to drive it now to keep the temps down.

I would tend to assume that it is designed to tolerate the higher sustained temps.

As a side note, I have a friend in the construction business that tows an enclosed trailer full of lumber and tools. His 6.7 currently has 280K. He is stock and changes the oil and filters when the dash tells him. Does not monitor temps. He drives the truck a lot harder than I do...very heavy foot. Zero problems so far. This is his 2nd 6.7. The first one lost the trans at 250k due to lack of maintenance...zero problems with the motor or emissions on either truck.
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