How warm is warm enough? - Ford Powerstroke Diesel Forum
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Old 12-31-2011, 06:30 AM
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How warm is warm enough?

On those cold mornings, below lets say 25*F, at what ECT do you feel comfortable to drive off? I am mostly wondering about when the block heater is not used.
Everyone talks about "letting it warm up for a few minutes", but there must be a temp range that is a target.
Just wondering everyone's thoughts on this.
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Old 12-31-2011, 06:37 AM
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Some will say 100*. That is a lot of idling, (I do have high idle mod, and the engine will high idle up it's self)

This morning my truck is sitting at 37* ECT. If I were needing to leave right now, I would let it run a couple minutes and idle down the street. But, I have about 1 mile of street I don't have to worry about speed. I would then keep my boost real low, below 10 if I can. Then ease it down the road until warmed up.
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Old 12-31-2011, 06:48 AM
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I have the high idle done that I use. It helps warm it up quicker. I also don't have a place to plug mine in. I let mine run in high idle until 80* ECT and 70* EOT. After that I try and keep the boost to a maximum of 10PSI until it gets to about 160* EOT.
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Old 12-31-2011, 07:44 AM
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Same as ^

At home I plug her in. At work I can't so I wait till ECT is 80 or the winshield thaws lol
EOT is normally 70s by then

Keep boost under 10 RPMs below 2k till 140 don't get on it till 170
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Old 12-31-2011, 07:58 PM
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Same here I let mine idle for a few min 80-100 ECT then just go easy til up to temp. I have about 3 miles of easy side streets til I hit the hwy.
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Old 12-31-2011, 08:10 PM
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I dont go until my EOT is 100*. High idle gets it there pretty quick, barely a minute if its been plugged in.

Jason
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Old 12-31-2011, 08:18 PM
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My goal is to stay under 2000 rpm's until the oil temp gets to 150*F (its hard to do sometimes).
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Old 12-31-2011, 09:42 PM
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In the morning I dont roll until she is 80 or higher on the oil. At work, I roll at 60 or higher. I have a long flat way out of work. If there is no traffic, it idles down the road bascily and warms up that way. If there is traffic, she sits there until is clear and by then she is well over 100.

I drive super easy untill she is around 150 oil. Once she his above 180, rock and roll if need be!

My friend was leaving my house in his newer BMW X5. He never waits until warm - haha like a typical yuppy. Two weeks ago gernaded the motor. I will try to get pics if the mechanic took any. They said it was super odd and rare. When they pulled the data from the PCM, the motor was at a low RPM when the bottom end let loose.

Dont want to see that happen to my truck! lol
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Old 01-01-2012, 05:16 AM
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I have been like the rest and at least like to see 100 on the oil. When I had a 7.3 I could start and go but it wouldn't move very fast untill it warmed up. I could floor it going down the road and nothing would happen. With the 6.0 it will go when its cold but the injectors sound like they are going to blow through the hood! The high idle switch makes it nice also. 5 mins when its below 30 and she is nice and warm ready to roll.
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Old 01-01-2012, 05:24 AM
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I normally wait till the oil temp is up to 80. It doesn't take that long with high idle even when the outside temp is 0 or below.
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