ECT and EOT after EGR Delete - Ford Powerstroke Diesel Forum
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Old 06-28-2010, 02:01 PM
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ECT and EOT after EGR Delete

Just did my EGR delete from Sinister last weekend and was wondering if the difference between my ECT and EOT really matter now. I dont have the EGR cooler anymore and I would think that as long as my temps dont get too high I should be fine. Just a thought but and help would be great.
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Old 06-28-2010, 02:23 PM
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Yes it matters! You don't want the oil getting to hot or you will junk your engine.
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Old 06-28-2010, 03:20 PM
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Yep! EGR cooler and oil cooler are two completely different things, one you can't live with, and the other you can't live without. Your coolant can still plug up the oil cooler and temps definitely should be monitored.

Your sig says "Next: ??????" Next = coolant filter, if you want to take the above issue out of the equation.
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Old 06-28-2010, 03:33 PM
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I see you have an Edge Insight, what are your ECT/EOT differences?
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Old 06-28-2010, 03:35 PM
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I know that the temps matter but I was asking if the difference in temps matter as much without the EGR cooler. My coolant temp usually runs about 185-195 and my oil temp runs anywhere from 195-205. My difference has never been above 20. They are normally between a 10-15 degree difference. Another question is how hot is too hot on the EOT?
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Old 06-28-2010, 03:44 PM
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Normal EOT=200-220
Severe=220-235
Alarm=235+

Have read engine defuels at 254. Not sure, don't want to find out though.
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Old 06-28-2010, 05:58 PM
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If they are normally 10 to 15 you sound like you are right on the borderline. I'm not a psychic but I do see an oil cooler in your future. How far in the future depends on how far you want to push it, also if you go to towing I'm starting to see visions of head gaskets.
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Old 06-28-2010, 06:34 PM
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I would think of doing it sooner than later. Even though you have the EGR delete you can still spew coolant with high oil temps.

I went through the same procedure but not by choice. I had a shop do the EGR delete. Me no knowing, didnt think of the oil cooler or know it should be done at the same time. Needles to say the shop did not recomend it. After some minor issues I ended paying twice the ammount of labor to have it done a month later.

I was seeing oil temps of 30 to 40 and it was spitting coolant when it got hot. Did the oil cooler and all the issues were cured. HG still strong and runs mint now.
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Old 06-29-2010, 08:15 AM
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Quote:
Originally Posted by WLDHRSE View Post
Yep! EGR cooler and oil cooler are two completely different things, one you can't live with, and the other you can't live without. Your coolant can still plug up the oil cooler and temps definitely should be monitored.
Exactly right. Removing the EGR Cooler has taken it out of the equation which is a good thing. It doesn't do anything to prevent the oil cooler from clogging up though. So yes, ECT and EOT are essential things to monitor even having done the EGR Delete.
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Old 06-29-2010, 02:12 PM
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IIRC the fan doesn't turn on due to oil temp until the oil temp reaches 254*F
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