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Old 04-25-2016, 10:13 PM   #61
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I really don't know diddley squat about it. A Ram guy told me "That ain't a real jake brake" and I believed him.
And neither is his on the Ram. As stated earlier, the braking is coming from the positioning of the vanes in the turbo, be it Ford, Ram, or GM. A "Jake" brake opens then exhaust valves during the compression stroke, releasing the compressed air into the exhaust. Pickups don't work like that.

And Xwherever we are on letting the truck cool down. Don't pull off the highway and just shut down a turbodiesel. I don't care what brand it is. Yes, idling is bad for the new DPF equipped stuff, but as already posted 5 minutes won't hurt. I watch the engine oil temp on my 6.7. Once it drops to 197 or lower, I'll shut it down. I usually stop, get out, walk around the truck and trailer, have a look at the tires and just make sure everything looks good. Then I come back, check temp and shut the truck off.


If it's just a quick bathroom break, I flip my high idle switch to set it to 1100 rpm and never shut it down.
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Old 04-26-2016, 05:43 AM   #62
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Normally mine is idling during the discontinuation of the Fifth wheel which generally takes about five minutes therefore allowing cooldown time of the turbo. Was always told to let it cool down by my elders who have many years experience so it just became a practice to do this.
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Old 04-26-2016, 01:02 PM   #63
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Normally mine is idling during the discontinuation of the Fifth wheel which generally takes about five minutes therefore allowing cooldown time of the turbo. Was always told to let it cool down by my elders who have many years experience so it just became a practice to do this.

Plan on doing the same thing, also it has a bit of time to cool down while your driving slowly they the campground, does anyone know what the Danger Zone is for Oil Temp and Trans Temp on a 2016 F350 6.7? Just bought mine and all I can find is the normal temp with No Trailer?


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Old 04-26-2016, 01:25 PM   #64
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Plan on doing the same thing, also it has a bit of time to cool down while your driving slowly they the campground, does anyone know what the Danger Zone is for Oil Temp and Trans Temp on a 2016 F350 6.7? Just bought mine and all I can find is the normal temp with No Trailer?


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Unloaded you will see 197-203*.

If you are towing, you will see it run anywhere from 205-220. I typically see 215-220 when pulling my 13k 5th wheel on slight grades to flat land.

When pulling steep grades you can see it climb into the 240s on oil temps. You will not get any warnings until you approach 250*.

These trucks like to run warm so don't freak out if you start seeing 220-240* if pulling a heavy load in the middle of summer.

Tranny temps normally run high 190s to 210.. I don't typically see it climb much more then that.
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Old 04-26-2016, 01:39 PM   #65
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Thanks blown smoke, appreciate the info as I do not tow a whole lot we tend to have 3-9 night stays but during the heat of the summer I will be keeping an eye on it also going thru mountains in PA.


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Old 04-26-2016, 02:38 PM   #66
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cooling time is req'd for the turbo sake.....hot engine oil will not hurt anything, but egt's, coolant and tranny temps all come down as you idle to let turbo cool down to shutdown temp of about 300* [after/post turbo] ...if you are reading gases entering before turbo as i do, i use 330*, then shut down.
i have seen very hot temps...like tranny at 230*,engine oil at 245*, coolant at 235* pulling a load from colorado springs up to woodland park,and then the engine going into regen on the way up....scary !! but all said and done all within tolerances .....long as you let the turbo cool down before shutting down you are fine.
as an aside, people should read the "severe service" part in their trucks manuals,and change oil as stated....i dont know that the oil moniter with % to go to oil change,takes into account severe service. i do my own servicing at 5000 miles.
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Old 04-26-2016, 08:02 PM   #67
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I always change my oil when the Ford Meter reads 25% plus all my oil changes are included by the dealer up to 100K something I negotiated when I bought mine because I don't have an area where I can change the oil at home. They won't change it any sooner then 25% since they are paying for it.


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Old 04-27-2016, 06:30 AM   #68
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cooling time is req'd for the turbo sake.....hot engine oil will not hurt anything, but egt's, coolant and tranny temps all come down as you idle to let turbo cool down to shutdown temp of about 300* [after/post turbo] ...if you are reading gases entering before turbo as i do, i use 330*, then shut down.
i have seen very hot temps...like tranny at 230*,engine oil at 245*, coolant at 235* pulling a load from colorado springs up to woodland park,and then the engine going into regen on the way up....scary !! but all said and done all within tolerances .....long as you let the turbo cool down before shutting down you are fine.
as an aside, people should read the "severe service" part in their trucks manuals,and change oil as stated....i dont know that the oil moniter with % to go to oil change,takes into account severe service. i do my own servicing at 5000 miles.
The OLM isn't just a mileage or time interval. It monitors MANY different metrics within the truck (idle time, rpm, speed, time and many more).

The OLM on these trucks get you to about 7,300-7,500 miles before a required oil change happens.

I've had my oil tested at 7,400 miles on the oil itself and there was plenty of protection left in the oil. In fact, they recommended running it another 1,000 miles and testing again however at 7,400, the OLM told me to change it so I did and I'll continue to follow that since the proof is in the test.



I have a little over 6,000 miles on this oil change so far and the last check my OLM was at 28%. It will alert me at 10% left and I'll retest again.
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Old 04-27-2016, 07:05 AM   #69
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Blwnsmoke where do you get that test done?


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Old 04-27-2016, 07:53 AM   #70
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Blwnsmoke where do you get that test done?


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http://www.blackstone-labs.com/free-test-kits.php

Kits are free, $18- $28 for the test, depends on if you want it tested for how much protection is left (TBN number). I will do the full test again this change and if the TBN is the same (running Rotella t6), I will only do the analysis less the TBN test.

Many will say just change it early (5k seems to be the common choice) but you have no clue if anything is going on. At $80 an oil change, I rather go 50% longer and have documentation that everything internally is good and all my protection is still there.

For proper math.

5k Oil changes is $240 over 3 changes.

7,500 mile changes per the OLM is $160 +$18 for a documented test.

The savings adds up and for those who change it yourself, the analysis is documented proof that you did the change with hours and miles on it.

Once they receive your sample, they will mail you another kit to hold for your next change/test
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