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What oil do you use and why?

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What oil do you use and why?

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  #1  
Old 09-10-2015, 10:34 PM
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What oil do you use and why?

It's time to do my first oil change on the 6.7L.
I have been using Rotella 5w-40 synthetic with a mobile 1 filter in my 7.3L Excursion and have had very good results. If I am understanding correctly the 6.7L isn't as demanding on the oil as the 7.3 is with the common rail. What do you fella's use in your 6.7L? I did look at the tech folder and took notice of the filter cut aways and the Motorcraft filter looked pretty impressive in the thread. As for as my use of the vehicle its driven daily with a mix of highway and city, occasional 10k tow, Texas high heat summer, and North Texas winter. Thank you again for your time and opinions...
 
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Old 09-10-2015, 10:59 PM
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Stick with the Motorcraft filter. If you plan to keep the truck awhile, buy several pieces of needed supplies online and you'll reduce the cost of each change.


I used Motorcraft 15w-40 for 50,000 miles and then switched to Rotella T6 5w-40 for (1) I wanted to change to full synthetic and (2) T6 has been discussed here quite a bit. I follow the computer (IOLM) now with the T6 and no longer concern myself with changing the oil early.
 
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Old 09-10-2015, 11:15 PM
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Originally Posted by kper05 View Post
Stick with the Motorcraft filter. If you plan to keep the truck awhile, buy several pieces of needed supplies online and you'll reduce the cost of each change.


I used Motorcraft 15w-40 for 50,000 miles and then switched to Rotella T6 5w-40 for (1) I wanted to change to full synthetic and (2) T6 has been discussed here quite a bit. I follow the computer (IOLM) now with the T6 and no longer concern myself with changing the oil early.
Thanks for your input.. Did you have a for waiting till you hit 50k before switching to the T6?
 
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Old 09-10-2015, 11:24 PM
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No important reason. Was mostly just a good time to switch as I had been thinking about it those past few changes. Also, cost of Motorcraft oil locally passed the cost of T6. You can also catch T6 on sale and stock up to reduce cost as well.


For the heck of it, here is an oil report for last change. These listed reports are a mix of Motorcraft and the newer T6.


 
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Old 09-11-2015, 06:13 PM
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Like kper05 I plan to get some good break-in miles and a few oil changes before switching to Rotella T6.

I'll probably run Motorcraft or Rotella 15w40 for at least 10-15K miles. Then switch to T6.

I ran T6 in my 6.0L and had zero problems. I actually have 4 gallons of it sitting in my garage that I was stock piling for my next 6.0L oil change, but sold it before it was due for that change.

Anyone know how long the shelf life is on T6 ? I'd hate for it to go bad waiting for me to rack up break-in miles. Truck only has 1800 on it now and it'll probably only get about 5-6K a year.
 
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Old 09-11-2015, 06:13 PM
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I run Shell T6 synthetic. 76k miles and my truck runs great and makes great fuel economy.
 
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Old 09-11-2015, 06:14 PM
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Originally Posted by kper05 View Post
For the heck of it, here is an oil report for last change. These listed reports are a mix of Motorcraft and the newer T6.


Newb here to oil reports..... Can you explain what I'm seeing here and what numbers are important and why?

Thanks.

 
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Old 09-11-2015, 07:20 PM
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Ran the Ford stuff out till around 10-14 thousand miles 2-3 oil changes. Then switched to Rotella T6 5w-40, starts better in the winter at -30 to -45 below zero, builds oil pressure better etc. In all of my Powerstrokes from my 2001 7.3, 2008 6.4, 2011 6.7 and now my 2015 6.7 I have ran either Valvoline Premium Blue 5w-40 or Rotella T6 5w-40, both oils in my opinion are great. Never a issue.
 
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Old 09-11-2015, 07:39 PM
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Originally Posted by Ginther View Post
Newb here to oil reports..... Can you explain what I'm seeing here and what numbers are important and why?

Thanks.

Most of the metallics indicate engine component wear. Silicon level indicates dirt (dust, debris) that can enter through the air intake at a failure point and can cause dusting of the engine. The others are self explanatory (Fuel Dilution etc..). That's how I understand it anyway.

Edit: To the OP, Rotella T6 used here. Covers all operating environments I will encounter, and it is time proven. Stick with the Motorcraft filters, there's nothing wrong with them...
 
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Old 09-11-2015, 08:26 PM
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Great info.
I guess I will treat the 6.7 to the same treatment my 7.3 received with the exception of the filter. Sounds like Motorcraft is the way to go in the 6.7.... Thanks again for the input.
 
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Old 02-02-2016, 07:54 AM
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I am about to do my first oil change. Is it ok to use the T6 now or should I wait til the 2nd or 3rd oil change? Thanks
 
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Old 02-02-2016, 08:07 AM
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Originally Posted by 2016F250 View Post
I am about to do my first oil change. Is it ok to use the T6 now or should I wait til the 2nd or 3rd oil change? Thanks
I've heard that Ford recommends keeping the factory for 5000 miles for break in. After that you should be good to go with T6. I use it because it covers my entire operational environment from Vermont winters to towing a fifth wheel through the Southwest.
I do have 4 gallons of Valvoline Premium Blue Extreme 5w40 for my next oil change because I have read on forums from a few seasoned diesel guys that it is the only oil they've tried that reduced regen frequency. I got it at NAPA for $29 a gallon vs $22 for T6 at Walmart.
 
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Old 02-02-2016, 08:34 AM
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Thanks for the info! I have just over 2,600 miles now. I will be driving cross country and back next month (VA to NM). I might have close to 3500 miles on it by then. Think its ok to change the oil right before I leave to the T6 or Blue Extreme? I will not be towing anything.
Thanks again!



Originally Posted by SkiSmuggs View Post
I've heard that Ford recommends keeping the factory for 5000 miles for break in. After that you should be good to go with T6. I use it because it covers my entire operational environment from Vermont winters to towing a fifth wheel through the Southwest.
I do have 4 gallons of Valvoline Premium Blue Extreme 5w40 for my next oil change because I have read on forums from a few seasoned diesel guys that it is the only oil they've tried that reduced regen frequency. I got it at NAPA for $29 a gallon vs $22 for T6 at Walmart.
 
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  #14  
Old 02-02-2016, 09:01 AM
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I changed mine at 5000 just before a cross country trip, but 7800 miles later got warning to change again. I picked up more T6 from Walmart and went to a Ford Quick Lane at 7:30am where they changed it using my oil. You might want to do it that way. You can also drive it until it tells you to change. There is no real reason to change at 5000 or 3500. That is 1970s thinking. The oil filter catches anything that could be a problem and manufacturing has changed a lot in the last few decades. Ford will tell you to just use the Oil Life Monitor.
 
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Old 02-02-2016, 09:06 AM
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I run Motorcraft 10w30 right now but seriously considering switching to Delo 5w40 full synthetic. Anyone have any experience with Delo oil?
 
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