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#3274854 - 02/08/14 01:25 PM 2004 Ford 6.0
highland512 Offline

Registered: 12/18/13
Posts: 2
Loc: Louisiana
Just had this test run on a sample of my Rotella T 15w-40 run in my 6L powerstroke. I went 7,500 miles on this change, I would say 90% of these miles are highway miles. Truck truck had 140,000 at this change. So how does the sample look? This is the first test I have ran on this truck so I have nothing to compare it against.

#3274866 - 02/08/14 01:34 PM Re: 2004 Ford 6.0 [Re: highland512]

Registered: 11/20/07
Posts: 201
Loc: Alaska
I think your machine looks like it's doing well. The norm seems to be that slight shearing of viscosity is acceptable with a HEUI fuel delivery system.

Has this truck been bulletproofed? Headgaskets, headstuds, oil cooler and EGR cooler?

Edited by DNVDMAX (02/08/14 01:34 PM)
12 VERSA SEDAN M1 EP 5w-20 Purolator P1
91 GMC K1500 5.7L Maxlife 10w-40 WIX

#3274879 - 02/08/14 01:44 PM Re: 2004 Ford 6.0 [Re: DNVDMAX]
highland512 Offline

Registered: 12/18/13
Posts: 2
Loc: Louisiana
No this truck has been maintained and taken care of. Previous owner had a egr cooler, oil cooler, and all injectors replaced under ford warranty. When I bought the truck he also gave me a journal he had kept on the truck, it had everything right down to when he replaced the windshield wipers. I have owned it since 86,000 miles, I have maintained it much like he did but I am playing around with extending the OCI from 5,000 to 7,500. I have installed a coolant filter with elc, SCT TS livewire monitor, and a 5" exhaust. Oil temp / coolant temp delta stays around 8-10*, EGR is shut off, and I have had 0 troubles in 55,000 miles.

#3276280 - 02/09/14 07:36 PM Re: 2004 Ford 6.0 [Re: highland512]
dnewton3 Offline

Registered: 05/14/07
Posts: 6235
Loc: Indianapolis, IN
Your wear looks quite acceptable; nothing to worry about there.

Since your truck has had the biggest issues already dealt with, then I strongly encourage you to get a coolant filter installed; that will make your engine well protected from a repeated failure. The root cause of most 6.0L ills can be traced to the oil cooler becoming blocked on the coolant side. Fresh coolant and a coolant filter pretty much assure the problem will never arise again.

Edited by dnewton3 (02/09/14 07:37 PM)
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...