Thought about EOT vs ECT
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Senior User
Joined: Jun 2006
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Thought about EOT vs ECT
I have a thought for you guys to ponder. Ford specs EOT and ECT should be within 15* once the vehicle reaches operating temp. I have noticed mine is around 9-10* difference with no load at freeway speeds. This is with a newly built oil cooler. However, my EGR cooler is deleted. Wouldn't this increase the spread by keeping the ECT a bit cooler as it is not cooling 750* exhaust gas???? Oil temp is around 200* on 90* day. Thoughts?????
Freshman User
Joined: Dec 2008
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From: Fort McMurray/Alberta
EOT/ECT spread
Deleting the EGR cooler may make the engine coolant run cooler, but it won't have any effect on the spread. The oil cooler is just a heat transfer device, and how efficient it is at that (yours is new), determines the spread.
FTE Leadership Emeritus
Joined: Aug 2007
Posts: 42,085
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From: Lakewood, Ca.
That's an interesting thought, but with the massive cooling system our trucks have I don't think deleting the EGR cooler is going to make too much difference in that spread, since coolant temp is regulated by the thermostat anyway.
