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#3413056 - 07/02/14 11:26 PM Low Mile 2008 Ford F250 6.4 Powerstroke Diesel
Jim_Truett Offline


Registered: 01/07/09
Posts: 96
Loc: San Diego, California
Switched to Oil Analyzers for the last two samples. First sample was actually taken Jan. 2013. 4-5k Miles or approximately 1 year between OCI. Motorcraft 15w-40 Diesel Oil. Amsoil EABP110 bypass is installed. Thoughts?



Edited by Jim_Truett (07/02/14 11:28 PM)
_________________________
2008 F250 6.4 PowerStroke 32k
2008 Nissan Versa 128K
2005 Honda Pilot 205k
1999 Acura 3.0CL 168k
1963 Nova SS 83k
2013 Mahindra 3016HST 49hrs

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#3413059 - 07/02/14 11:31 PM Re: Low Mile 2008 Ford F250 6.4 Powerstroke Diesel [Re: Jim_Truett]
dave1251 Offline


Registered: 07/15/05
Posts: 7222
Loc: Maricopa, AZ
If you are going to drive 4.5K a year, I would not change your oil for a min of two years.
_________________________
make the inside of your engine oil cap white.
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#3413067 - 07/02/14 11:38 PM Re: Low Mile 2008 Ford F250 6.4 Powerstroke Diesel [Re: dave1251]
Jim_Truett Offline


Registered: 01/07/09
Posts: 96
Loc: San Diego, California
Originally Posted By: dave1251
If you are going to drive 4.5K a year, I would not change your oil for a min of two years.


I have certainly considered that, especially looking at the TBN. I just have a slight fear that an EGR cooler or the Oil cooler will leak coolant into the crankcase and it might go unnoticed for too long.
_________________________
2008 F250 6.4 PowerStroke 32k
2008 Nissan Versa 128K
2005 Honda Pilot 205k
1999 Acura 3.0CL 168k
1963 Nova SS 83k
2013 Mahindra 3016HST 49hrs

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#3413119 - 07/03/14 02:35 AM Re: Low Mile 2008 Ford F250 6.4 Powerstroke Diesel [Re: Jim_Truett]
Jameson Offline


Registered: 06/03/13
Posts: 58
Loc: New York
n/a


Edited by Jameson (07/03/14 02:36 AM)
_________________________
2002 Ford F350 4x4 XL reg cab
5.4l 2v V-8 Modular - 130k miles
4r100 Auto Trans
Current Oil: Mobil Super HM 5w20
Filter: Motorcraft FL820-S

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#3413138 - 07/03/14 05:25 AM Re: Low Mile 2008 Ford F250 6.4 Powerstroke Diesel [Re: Jim_Truett]
dnewton3 Offline



Registered: 05/14/07
Posts: 5618
Loc: Indianapolis, IN
Originally Posted By: Jim_Truett
Originally Posted By: dave1251
If you are going to drive 4.5K a year, I would not change your oil for a min of two years.


I have certainly considered that, especially looking at the TBN. I just have a slight fear that an EGR cooler or the Oil cooler will leak coolant into the crankcase and it might go unnoticed for too long.



Yes - that is the conundrum, is it not?

In large sump systems, the volume of an OCI makes for expensive events, and therefore annual UOAs are far cheaper and cost effective. When you get into sumps that measure their capacity in gallons, this is a no-brainer easy decision.

In smaller sump systems, it is "iffy" as to where your break-point would be. Most light-duty diesels like the Dmax, PS, ISB are generally at a break even in UOA cost vs. the dino oil OCI. In my Dmax, I can OCI for about the same cost as UOA, but I choose the UOA as a matter of experimentation and fun. I am on my third year of an OCI in my Dmax, and will sample again this fall. AS your 2008 is probably out of warranty, then longer OCIs with UOA confirmation are plausible. That is the decision I've come to for my diesels. I will note that those who use syns and still OCI at "normal" intervals, are wasting HUGE amounts of money; they would be better served to sample before making an OCI decision. It is, without a doubt, cheaper to UOA than dump PAO in the pan every year.

In gasser engines, with yet smaller sumps, it's just flat cheaper to OCI with dino, and perhaps the syn may be a break-even proposition. You'd have to know the exact costs involved. Some UOAs are cheaper than others; some sumps are smaller than others. Too much variation in the possibilities to make a one-size-fits-all comment here.



Regarding your UOA, I'd say no reason not to extend the OCIs. Test annually.


Edited by dnewton3 (07/03/14 05:30 AM)
_________________________
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 ...

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#3413141 - 07/03/14 05:37 AM Re: Low Mile 2008 Ford F250 6.4 Powerstroke Diesel [Re: Jim_Truett]
dustyroads Offline


Registered: 05/13/13
Posts: 302
Loc: upstate NY
Originally Posted By: Jim_Truett
Originally Posted By: dave1251
If you are going to drive 4.5K a year, I would not change your oil for a min of two years.


I have certainly considered that, especially looking at the TBN. I just have a slight fear that an EGR cooler or the Oil cooler will leak coolant into the crankcase and it might go unnoticed for too long.


You're wise to think that way. However, you can just pull a sample every year or so to monitor oil condition. You could try a suction pump for extracting a sample or get a drain valve (the popular name brand escapes me at the moment) to get a sample without draining.

In your case, your oil may go two or three years. This report shows a healthy oil.
_________________________
2011 Taurus sel

2012 Volvo big rig with D11

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#3424021 - 07/14/14 12:18 AM Re: Low Mile 2008 Ford F250 6.4 Powerstroke Diesel [Re: dnewton3]
Jim_Truett Offline


Registered: 01/07/09
Posts: 96
Loc: San Diego, California
With 4 gallons of oil and a FL 2016 filter the change costs right at $100. UOA from Oil Analyzers is about $20. Neither are a financial problem. I just hate throwing away good fluids. With a TBN of 6+ after a year and 4500 miles, I will leave it in for two years and ~10k on the current fill and UOA sometime in 2016.

I run Shell Rotella Ultra ELC, and watch the Degas Bottle level like a hawk. If I see the coolant level drop I will investigate then.
_________________________
2008 F250 6.4 PowerStroke 32k
2008 Nissan Versa 128K
2005 Honda Pilot 205k
1999 Acura 3.0CL 168k
1963 Nova SS 83k
2013 Mahindra 3016HST 49hrs

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#3424414 - 07/14/14 01:29 PM Re: Low Mile 2008 Ford F250 6.4 Powerstroke Diesel [Re: dustyroads]
Meathead Offline


Registered: 04/11/11
Posts: 25
Loc: Upstate SC
Originally Posted By: dustyroads
..or get a drain valve (the popular name brand escapes me at the moment) to get a sample without draining.


Fumoto

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