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Old 06-05-2013, 10:25 PM
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Oil temp / cooler decisions...

I purchased a 180kmi 6.0 F250 (EGR deleted) a few months ago. I almost immediately discovered it needed an oil cooler replacement. Less than 1Kmi after replacement I started seeing progressively increasing 15deg EOT/ECT deltas (not towing). When I took it back to the shop they said the delta didn't matter and the temps were acceptable.

I'm seeing 215/195 on Hot days now (again not towing) and have a 9hour drive towing a toy hauler coming up. Little concerned temps will get worse when towing another 8klbs a long way from home.

What would you do?
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Old 06-05-2013, 10:30 PM
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if it was me , i would watch my oil temp close while towing . since the egr is deleted its not as bad so to speak . so mabey plan for an oil cooler in the future and watch temps .
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Old 06-06-2013, 12:02 AM
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195 ect and 215eot? if thats temp driving on normal wihot load you need a oil cooler. make sure you flush your coolant system real good with vc-9 and distilled water good before you install a new oil cooler.

do not flush truck with new oil cooler it could possibly clog it. always always always flush before you install a new oil cooler.

1. drain coolant.
2. add 2 qrts of vc-9 and fill with regular garden hose water. drive it around no more then 3 hrs "warning on back of vc-9 bottles-
3. drain vc-9/ garden hose water.
4. fill with only distilled water drive it around for while.
5. drain
6. fill with distilled water and drive it around for a day or two
7. drain
8. replace oil cooler and use a cat/elc5 rated coolant I got it at napa for like 13$ a gallon.
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