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2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil #4620203
01/01/18 12:02 AM
01/01/18 12:02 AM
Joined: Jul 2011
Posts: 44
South Florida
Invasivore Offline OP
Invasivore  Offline OP
Joined: Jul 2011
Posts: 44
South Florida
I have 175k miles on my 2005 Ford F-250 6.0L Powerstroke. I've been using the Chevron DELO 5w-40 synthetic for about 100k miles at 5k intervals. This was my last change with 5k on the oil with Archoil additive.





Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: Invasivore] #4620937
01/01/18 05:49 PM
01/01/18 05:49 PM
Joined: May 2007
Posts: 7,625
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,625
Indianapolis, IN
Looks very good! Do a few more; see what your trends and averages are. You can probably extend your OCIs out to improve ROI.

Curious about other maintenance done, such as the EGR, oil cooler, etc?

Last edited by dnewton3; 01/01/18 05:51 PM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: dnewton3] #4621172
01/01/18 08:56 PM
01/01/18 08:56 PM
Joined: Jul 2011
Posts: 44
South Florida
Invasivore Offline OP
Invasivore  Offline OP
Joined: Jul 2011
Posts: 44
South Florida
Originally Posted By: dnewton3
Looks very good! Do a few more; see what your trends and averages are. You can probably extend your OCIs out to improve ROI.

Curious about other maintenance done, such as the EGR, oil cooler, etc?


I thought about going to 7500, I'm just wondering how much shear I can get away with. As you know, the HEUI system is very needy of oil in tip top shape. I'm still on the stock injectors, HPOP, and lift pump. The truck runs new and starts immediately. Most cannot say that for a 6.0 with 175k miles. I dose my fuel with Optilube XL as well.

I actually had a small leak in the head gaskets during this OCI which I assume the extra Sodium came from. I'm assuming the Potassium in the Archoil masked the true Potassium levels from the blown head gasket. Truck would eat coolant when pushed hard. I've had head studs since around 90k miles on the truck, but they were incorrectly installed. We were able to take the nuts off the studs with a 3/8 air ratchet with no effort. We just installed new O-ringed heads from UCF with upgraded valve train since I knew the gaskets were done. The original heads looked extremely clean as if they were new along with the injectors. Cylinder bores looked almost new as well. I am extremely anal when it comes to maintenance on this truck. I overhauled the entire cooling system at 150k miles with hoses, thermostat, billet water pump, manual fan clutch, and radiator. I've also run a coolant bypass filter since 50k miles and CAT EC-1 ELC coolant along with an EGR delete. My coolant/oil temp deltas are less than 5 degrees and I have been running the same oil cooler since 60k miles.

Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: Invasivore] #4621395
01/02/18 07:36 AM
01/02/18 07:36 AM
Joined: May 2007
Posts: 7,625
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,625
Indianapolis, IN
Pay attention to the wear metals; that's telling you how the lube is performing.
Pay attention to the contamination; that's going to indicate to you a POTENTIAL SHIFT in wear.
Pay attention to vis not at all; it has historically shown no correlation to wear data.

Don't worry about the vis. The HEUI seems to thrive on 30 grade lube. You either feed it a 30 grade oil, or it will take a 40 grade and shear it down to a 30 grade for you. There are LOTs of UOAs here where 40 grades sheared down, and yet the wear rates go unaffected. Or, folks like RR1 who choose a 10w-30 don't have the shearing, but still get great wear results.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: dnewton3] #4621940
01/02/18 04:19 PM
01/02/18 04:19 PM
Joined: Jul 2011
Posts: 44
South Florida
Invasivore Offline OP
Invasivore  Offline OP
Joined: Jul 2011
Posts: 44
South Florida
Originally Posted By: dnewton3
Pay attention to the wear metals; that's telling you how the lube is performing.
Pay attention to the contamination; that's going to indicate to you a POTENTIAL SHIFT in wear.
Pay attention to vis not at all; it has historically shown no correlation to wear data.

Don't worry about the vis. The HEUI seems to thrive on 30 grade lube. You either feed it a 30 grade oil, or it will take a 40 grade and shear it down to a 30 grade for you. There are LOTs of UOAs here where 40 grades sheared down, and yet the wear rates go unaffected. Or, folks like RR1 who choose a 10w-30 don't have the shearing, but still get great wear results.


At what level of wear and contamination is acceptable for a 6.0 powerstroke, and do you have a source for the info? What is RR1?

Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: Invasivore] #4622001
01/02/18 05:25 PM
01/02/18 05:25 PM
Joined: Apr 2009
Posts: 1,288
oh
roadrunner1 Offline
roadrunner1  Offline
Joined: Apr 2009
Posts: 1,288
oh
I am RR1, and I ran 2 different 6.0's over 400,000 mi. using mostly 10w-30, with UOA's posted on this site.

As dnewton3 already mentioned don't worry about a drop in viscosity, its the nature of the beast and the 6.0 will shear all makes down in short order. Which is the main reason I switched to 10w-30 and never looked back.


'15 F350 6.7
Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: Invasivore] #4622127
01/02/18 07:32 PM
01/02/18 07:32 PM
Joined: Feb 2016
Posts: 318
MD
claluja Offline
claluja  Offline
Joined: Feb 2016
Posts: 318
MD
Lookin good. Thanks for posting.


2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
2018 Jeep Rubicon, Pentastar 3.6L
Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: roadrunner1] #4622156
01/02/18 07:56 PM
01/02/18 07:56 PM
Joined: Jul 2011
Posts: 44
South Florida
Invasivore Offline OP
Invasivore  Offline OP
Joined: Jul 2011
Posts: 44
South Florida
Originally Posted By: roadrunner1
I am RR1, and I ran 2 different 6.0's over 400,000 mi. using mostly 10w-30, with UOA's posted on this site.

As dnewton3 already mentioned don't worry about a drop in viscosity, its the nature of the beast and the 6.0 will shear all makes down in short order. Which is the main reason I switched to 10w-30 and never looked back.


How did your injectors and HPOP fair on each truck? What year/model trucks?

Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: Invasivore] #4622396
01/03/18 03:25 AM
01/03/18 03:25 AM
Joined: Apr 2009
Posts: 1,288
oh
roadrunner1 Offline
roadrunner1  Offline
Joined: Apr 2009
Posts: 1,288
oh
First was an '04 and the second an '07, never an injector issue with either. I did have to have the updated standpipe(?) installed on both, also I fried the FICM on the '07 in extreme cold but it was covered under warranty. I had been running a fuel pump on my 100 gal transfer tank without starting the truck. Low voltage and the FICM module do not go hand in hand.

Excluding my current '15 SuperDuty the '07 had been the most trouble-free truck I had owned, the '04 never experienced the horror stories that the 6.0 is known for. There was a wiring harness issue with chafing and solenoids needed replaced in the transmission, but were all covered under warranty, so there was no out of pocket expense in repairs.


'15 F350 6.7
Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: roadrunner1] #4622430
01/03/18 05:35 AM
01/03/18 05:35 AM
Joined: Jul 2011
Posts: 44
South Florida
Invasivore Offline OP
Invasivore  Offline OP
Joined: Jul 2011
Posts: 44
South Florida
Originally Posted By: roadrunner1
First was an '04 and the second an '07, never an injector issue with either. I did have to have the updated standpipe(?) installed on both, also I fried the FICM on the '07 in extreme cold but it was covered under warranty. I had been running a fuel pump on my 100 gal transfer tank without starting the truck. Low voltage and the FICM module do not go hand in hand.

Excluding my current '15 SuperDuty the '07 had been the most trouble-free truck I had owned, the '04 never experienced the horror stories that the 6.0 is known for. There was a wiring harness issue with chafing and solenoids needed replaced in the transmission, but were all covered under warranty, so there was no out of pocket expense in repairs.


How many miles did you have on each truck?

Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: Invasivore] #4622459
01/03/18 06:49 AM
01/03/18 06:49 AM
Joined: Apr 2009
Posts: 1,288
oh
roadrunner1 Offline
roadrunner1  Offline
Joined: Apr 2009
Posts: 1,288
oh
'07 was traded in at 210,xxx mi. and the '04 at 185,xxx mi.


'15 F350 6.7
Re: 2005 6.0 powerstroke Chevron DELO 5w-40 CJ4 5k mil [Re: Invasivore] #4629875
01/09/18 10:38 PM
01/09/18 10:38 PM
Joined: Mar 2009
Posts: 164
Washington County, MN
Powerstroke Offline
Powerstroke  Offline
Joined: Mar 2009
Posts: 164
Washington County, MN
Nice to see another good running 6.0.

Similar wear numbers @ 5k, on my 2007 6.0 with 115k miles. Still running the Delo 400 LE 5w30 CJ-4. The negative highs and over night temps in twin cities MN put the old 6.0 to the test but Still starts flawlessly.

I dropped the Archoil 9100, did not seem to do much to justify an extra $40 on top of oil purchase.


'07 F-250 6.0 Powerstroke Diesel, 5" turbo back exhaust, Delo 400 LE 5w30 synthetic oil, Delo ELC coolant, ARP's, EGR delete, detroit lockers

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