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Old 05-20-2012, 11:24 AM
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EOT while towing

towing the boat down hwy 95, i noticed my eot seemed pretty high. the boat is around 9k. ouside air temp between 75-80*, mostly flat highway

the first part of the trip was seeing around 200-210 water temp, and around 225-230 eot,

later on, running between 70-75 mph, started noticing my EOT was getting up towards 240. Saw it is high as 242.

most of the time i was seeing around 24-26 degree difference between eot and ect.

had the system switched to cat elc last year when i had my headgaskets done. I bought restore and restore + for the shop to use for flushing. i assume they did a complete flush.

I have also been running a coolant filter and have noticed a decent amount of gunk in it when I change it.

Is my oil cooler clogged? when not towing, I was seeing only 5-8 * difference between EOT and ECT


Btw, my egr is deleted.. Oil cooler has about 20k on it.

Last edited by jeffro22; 05-21-2012 at 03:45 AM.
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Old 05-20-2012, 12:48 PM
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I am having the same issue and my boat is only 3k or so. I am at a loss hear I am thinking my oil pump is clogged up. I still need to do an EGR delete as well.

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Old 05-21-2012, 03:44 AM
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bump to the top
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Old 05-21-2012, 05:42 AM
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Your delta can be past the 15* when towing for some birsts. But that seems really high for towing a boat. I towed mine yesterday and same outside temps. I saw 209 and 215.
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Old 05-21-2012, 09:27 AM
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Towed my boat for the first time yesterday since I bought the truck a few months ago. 6K boat semi-flat ground saw 210 EOT and 206 ECT at most. Have to agree with Galaxie those #'s seem pretty high. Have to say I was thoroughly impressed with my new to me 6.0 and the torqueshift transmission, first PSD I have owned. The torqueshift trans makes pulling a 6K boat like pulling my 2K duck boat.

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Old 05-23-2012, 03:48 AM
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eot seems to be around 6-9* above ECT when not towing
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Old 05-23-2012, 08:47 AM
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I posted a similar question awhile back about pulling my camper. It is around 8k and i was seeing an EOT up to around 228. Most told me here that you can throw the 15 degree delta out while towing but i am also wondering like yourself where the top end of your EOT can be before it gets bad. This was the first time I had my CS and towed, so i am not sure where my numbers were previously.
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Old 05-23-2012, 09:02 AM
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I know there is a limit on EOT before the engine goes into limp mode, does anyone know that number? I'm seeing 8* deltas empty, and pulled my 10k 5th wheel yesterday, 72* ambient, fairly flat, 65 mph, and was seeing 2-3* deltas. I was stoked!!! Just had the egr cooler deleted and a new oil cooler installed. The dealer flushed and filled with the gold coolant so that's what I'm running (with a coolant filter). Coach
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Old 05-23-2012, 11:37 AM
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Quote:
Originally Posted by My First Powerstroke View Post
I posted a similar question awhile back about pulling my camper. It is around 8k and i was seeing an EOT up to around 228. Most told me here that you can throw the 15 degree delta out while towing but i am also wondering like yourself where the top end of your EOT can be before it gets bad. This was the first time I had my CS and towed, so i am not sure where my numbers were previously.
There was a good thread there was a good thread by the member "jetjock" I believe that discussed the upper limits of the ECT EOT range. Don't quote me on this, but I believe he was seeing EOT temperatures in the upper 240 range. I'll see if i can find the thread.

EDIT: Here is the THREAD

Last edited by OUMX117; 05-23-2012 at 11:40 AM.
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