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Old 02-02-2013, 12:49 PM   #1
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Ford F250 6.7 TD Owners: How Long to Idle?

New to Turbo Diesels. How long should I let the truck idle before shutting down?

Thanks in advance...
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Old 02-02-2013, 01:11 PM   #2
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Here is a nice write-up for you on the 6.7.

First Look: Ford's All-New 6.7-Liter V-8 Power Stroke Diesel Engine - PickupTrucks.com News

The turbo's are both oil and water cooled. IMO, you don't need to worry much about idling before shutting down. Technology has improved. Ford has a technology that allows coolant to continue to cool the turbo's even after the engine is shut off.
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Old 02-02-2013, 01:23 PM   #3
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Not long I'm a little (alot) old school I have had older turbo mustangs to turbo diesels but I figure If driven hard give it alittle time.... but that time can be getting into a campsite & unhitching.... Solo unlesses you are racing it finding a parking space or traveling into the campground should be plenty. Go by what your owners manuel says....... (I am an if all else fails read the instructions)..............
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Old 02-02-2013, 01:34 PM   #4
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It's built Ford tough, you don't need to.
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Old 02-02-2013, 07:11 PM   #5
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Thanks much fellas!!!
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Old 02-03-2013, 09:11 AM   #6
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Some advice I got from a Ford diesel mechanic, don't do any mods or tuners on your motor. You will hear of a lot about deletes on the emissions to get more HP and better fuel mileage. He said the only issues he has seen with the 6.7 is from owners trying to "tweak" them. Just change oil every 5,000 miles, fuel filters every 10,000 miles and drain fuel separator filter under the drivers door every month. That black truck looks sweet. I got the opposite, white.
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Old 02-03-2013, 09:52 AM   #7
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I am old school, so I would let it idle for at least a minute. My mechanic says 3. If you're pulling hard, then 3 to 5. It cant hurt. Our locomotives on the other hand, 30 minutes after full throttle.
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Old 02-03-2013, 10:21 AM   #8
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nice mustang in your avitar oaklevel.
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Old 02-03-2013, 10:51 AM   #9
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Get some gauges and monitor your EGT's, EOT and ECT (Exhaust gas temps, engine oil temps and engine coolant temps). You'll be able to determine when it's safe to shut the engine down without possible damage. Most of the time when towing by the time we pull into the campground off a freeway and drive to the office, the engine is plenty cooled down. Most of the time that applies to fuel stops too. Just a bit of good engine data monitoring IMHO.
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Old 02-03-2013, 12:26 PM   #10
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nice mustang in your avitar oaklevel.
Thanks, Had it since 83' wasn't so nice when we drug it home back then.... Son's want it
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Old 02-03-2013, 06:39 PM   #11
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I haven't ever "consciously" let mine idle down when stopping for gas, and when pulling into a campground, it usually has time to idle down before I get done parking it. I don't really pull any heavy stuff, at least yet anyway. I mean no big hills and such yet. But I think the advice given above pretty well sums it up. This thing pulls like a dentist on a bad tooth!
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Old 02-03-2013, 07:09 PM   #12
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I have the 7.3 and the manual states that when you pull directly off the superhighway to a rest stop or (similiar) it is recommended to let it idle for ten minutes. if you pull off the superhighway and drive at a slower speed (35 or so) for a few miles then it isn't necessary to idle.

what most people don't know is that the engine oil lubs the turbo, so with the high temp of the turbo it can if not allowed to idle cause trouble with the turbo by boiling the oil. it is well worth the few minutes of idle (IMO) to be sure that the oil has cooled down.

for what it's worth i change my oil every 3,000 miles because of the turbo heat factor, yes it cost, but then engines are a lot more!!!
my late father always told me that oil is cheap, engines are expensive!!

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Old 02-03-2013, 07:55 PM   #13
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Quote:
Originally Posted by acadianbob View Post
Here is a nice write
-up for you on the 6.7.

First Look: Ford's All-New 6.7-Liter V-8 Power Stroke Diesel Engine - PickupTrucks.com News

The turbo's are both oil and water cooled. IMO, you don't need to worry much about idling before shutting down. Technology has improved. Ford has a technology that allows coolant to continue to cool the turbo's even after the engine is shut off.
That was a great article. Thanks for the link (just bought a 2012 F350 Dually).
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Old 02-03-2013, 11:00 PM   #14
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That was a great article. Thanks for the link (just bought a 2012 F350 Dually).
Wow +1. Great article Acadianbob. Learned a lot about 6.7 Scorpion engineering and the assigned cooling parameters. Thank you!!
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Old 02-04-2013, 09:07 AM   #15
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Quote:
Originally Posted by PRECISION 23 View Post
I have the 7.3 and the manual states that when you pull directly off the superhighway to a rest stop or (similiar) it is recommended to let it idle for ten minutes. if you pull off the superhighway and drive at a slower speed (35 or so) for a few miles then it isn't necessary to idle.

what most people don't know is that the engine oil lubs the turbo, so with the high temp of the turbo it can if not allowed to idle cause trouble with the turbo by boiling the oil. it is well worth the few minutes of idle (IMO) to be sure that the oil has cooled down.

for what it's worth i change my oil every 3,000 miles because of the turbo heat factor, yes it cost, but then engines are a lot more!!!
my late father always told me that oil is cheap, engines are expensive!!

Van.....
The 6.7L and the 7.3L are two totally different engines. The turbo technology is totally different. You cannot compare the two in this context.
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