6.0 powerstroke temp deltas?
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6.0 powerstroke temp deltas?
Alright,just did several things to my 6.0. One of which was a complete reverse coolant flush and a new thermostat with coolant filter.The truck is a 07 with 19,821 miles and it had the original coolant. My deltas before the flush were 186-192 ect,and 182-184 eot. During the flush,running straight distilled water(which btw i used a total of 31 gallons so im pretty sure the tap water is diluted enough) I was seeing temps of 188-191 ect and 181-183 eot.Now i have roughly a 50/50 mix of delo elc and distilled water. My temps as of now are 190-194 ect and 187-190 eot,is this normal??????Using a brand new coolant and its also suppose to be better than the oem crap and my deltas went up? Has anyone ran water wetter to help cool the truck down? I dont know about diesels using it,but i swear by it in my lightning thats far from stock,i see a average 12 degrees cooler temps,so for the $14 it would be a no brainer.
Postmaster
Joined: Jul 2005
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From: Abilene, Texas
don't add anything to your coolant system except coolant and distilled water.
Your deltas seem strange. You should be running higher on your EOT than the ECT. Are you sure that the EOT is completly at operating temps when your taking these readings? Also what are you using to check them? I have never seen EOT run lower than ECT, don't really see how it could seeing as the coolant is what cools the oil. How could coolant cool the oil to being cooler than it is?
Your deltas seem strange. You should be running higher on your EOT than the ECT. Are you sure that the EOT is completly at operating temps when your taking these readings? Also what are you using to check them? I have never seen EOT run lower than ECT, don't really see how it could seeing as the coolant is what cools the oil. How could coolant cool the oil to being cooler than it is?
Postmaster
Joined: Jan 2008
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From: Kansas City MO
So your coolant runs hotter than oil??? If it was me, I'd pull the temp sensor that's next to the tstat housing and clean it. Or just replace it. Oil holds heat better than coolant. My oil is normally the higher of the two temps. Fwiw
Mountain Pass
Joined: Jul 2009
Posts: 234
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From: Northern Colorado
As others have said it looks like your temps are off either from incorrect math on your reader or from sensor problems. One thing you might want to do is to check the temperatures at KOEO after a good cold soak - at least 12 hours, although sometimes you need as much as a day if you are in a hotter climate.
What reader are you using?
When you did the flushing, did you use VC9 to chemically scrub the system? If so, did you do the oil cooler reverse before or after the VC9?
What reader are you using?
When you did the flushing, did you use VC9 to chemically scrub the system? If so, did you do the oil cooler reverse before or after the VC9?
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I didnt use any chemicals while doing the reverse flush,i was informed by several people that with such low mileage i shouldnt have to. As far as guage's im using a aeroforce interceptor, with the koeo on a cold start both ect and eot read almost the same,sometimes one is 2-3F higher than the other(but close to outside temps,if not exact.) I did buy a new oil temp sensor,however i was going to install it when i do a oil change in 2000 miles as i dont want to deal with the mess when pulling the sensor out. To check my guage's accuracy,i used a temp guage on the outside of the eot sensor and it reads about 6F cooler than the actual sensor. I just took a 60mile round trip on the highway pulling a 18ft trailer with about 400lbs in the trailer and the ect and eot were almost identical temps the whole time.
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Mountain Pass
Joined: Jul 2009
Posts: 234
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From: Northern Colorado
I didnt use any chemicals while doing the reverse flush,i was informed by several people that with such low mileage i shouldnt have to. As far as guage's im using a aeroforce interceptor, with the koeo on a cold start both ect and eot read almost the same,sometimes one is 2-3F higher than the other(but close to outside temps,if not exact.) I did buy a new oil temp sensor,however i was going to install it when i do a oil change in 2000 miles as i dont want to deal with the mess when pulling the sensor out. To check my guage's accuracy,i used a temp guage on the outside of the eot sensor and it reads about 6F cooler than the actual sensor. I just took a 60mile round trip on the highway pulling a 18ft trailer with about 400lbs in the trailer and the ect and eot were almost identical temps the whole time.
Not running the chemical was probably the right think - I was just asking because the chemical can stir up junk and cause blockages.
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Are these temps being taken after several miles of driving, say 10 miles at 65 mph?
Because cold start and driving ECT will reach 190 and EOT is still playing catch up, after a while EOT exceeds ECT and remains.
Josh
Because cold start and driving ECT will reach 190 and EOT is still playing catch up, after a while EOT exceeds ECT and remains.
Josh
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As of today,i do notice that my coolant temp will go up to 197 sometimes,and then drops back down to 188ish.I guess my old thermostat was getting weak or something because it use to never do that(it would get up to 188ish and pretty much stay there)
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From: Middle Tn.
See post #3
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