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#2126129 - 01/03/11 07:08 PM Cat C-13 with Luberfiner LFP 9750 Bypass Filter
Johnson615 Offline


Registered: 07/24/10
Posts: 24
Loc: Tn
Install the Luberfiner LFP 9750 filter and LMB-451 base. This hole report posted is with bypass filter installed. The wear looks good but I cant understand why the TBN is up and down? Probably will extend drain intervals as much as the oil will allow. This current oil is Chevron Ursa 15w40. We buy it in bulk and we are very pleased with this oil but the TBN doesnt make sense. I know if we bought a higher quality oil we really could extend intervals but its not practical to use ase we use this oil in all of our fleet from earth moving equipment to diesel pickups.

Sorry this engine is in a KW Dump truck that work within a 100 mile radius. It is about 50/50 highway driving and stop and go traffic


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#2126148 - 01/03/11 07:23 PM Re: Cat C-13 with Luberfiner LFP 9750 Bypass Filter [Re: Johnson615]
LargeCarManX2 Offline


Registered: 09/23/06
Posts: 2279
Loc: Up here in the NorthWest
Sample # 4 is most likely an error. The TBN is in great shape. Most likely a marginal error or allowable plus or minus margin.

I have a few questions:

Total capacity with the Luberfiner bypass and fullflow is 13 gallons?

Why are you sampling every thousand or so miles?

Are you doing the UOA or is a company?
_________________________
"Success is the ability to go from one failure to another with no loss of enthusiasm."
Sir Winston Churchill

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#2126164 - 01/03/11 07:33 PM Re: Cat C-13 with Luberfiner LFP 9750 Bypass Filter [Re: LargeCarManX2]
Johnson615 Offline


Registered: 07/24/10
Posts: 24
Loc: Tn
Well im going by memory but our C13 hold 10 gal and the bypass setup adds 1 gal.

I am posting this for fyi only really. There has been some questions about this setup. Its a cheap bypass setup compared to others about $30 for the base the about $30 for filter through out luberfiner account.

We sample them and send to polaris

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#2126173 - 01/03/11 07:42 PM Re: Cat C-13 with Luberfiner LFP 9750 Bypass Filter [Re: Johnson615]
LargeCarManX2 Offline


Registered: 09/23/06
Posts: 2279
Loc: Up here in the NorthWest
I personally would sample around 7K and then work the UOA upwards towards a higher UOA. A safe TBN region such as 1.0 TBN and 20 to 30 in oxid and nitration numbers should be fine. If your fuel dilution, soot, and viscosity stay within Cats allowables....keep bumping upwards towards 12-15K between oil changes for a city/highway engine. The goal would be to find your safe threshold for changing the oil. Then at each oil change send in a sample to keep an eye on the engine.


Edited by LargeCarManX2 (01/03/11 07:45 PM)
Edit Reason: fixfoopau
_________________________
"Success is the ability to go from one failure to another with no loss of enthusiasm."
Sir Winston Churchill

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#2126191 - 01/03/11 08:06 PM Re: Cat C-13 with Luberfiner LFP 9750 Bypass Filter [Re: Johnson615]
LargeCarManX2 Offline


Registered: 09/23/06
Posts: 2279
Loc: Up here in the NorthWest
You know looking back at sample # 8 the following or Cat's protocol might need to be looked at. The viscosity has not been harmed, however...lubrosity can/could be effected:

Depending on application, for diesel engines, a cautionary limit is typically set at around 1.5% dilution (about -20 C flash) and a critical limit at 3% to 5% dilution (-40 C to -60 C flash). Application-specific calibration curves based on the actual test protocol (open cup, closed cup, etc.), motor oil brand/grade, and fuel type, will greatly improve precision in translating a drop in flash point to percent fuel dilution.

We will need some of the pro's to chime in at this point!!!!
_________________________
"Success is the ability to go from one failure to another with no loss of enthusiasm."
Sir Winston Churchill

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#2126331 - 01/03/11 09:59 PM Re: Cat C-13 with Luberfiner LFP 9750 Bypass Filter [Re: Johnson615]
sdan27 Offline


Registered: 06/07/09
Posts: 486
Loc: Michigan
Could the TBN be going up from topping up the oil level in the sump from oil usage?
_________________________
'94 F250 Powerstroke. LF9691 primary oil. AH1141 air filter. FS1282, FF5320 fuel filter. WF2071 coolant filter.

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#2131811 - 01/08/11 09:57 AM Re: Cat C-13 with Luberfiner LFP 9750 Bypass Filter [Re: Johnson615]
LargeCarManX2 Offline


Registered: 09/23/06
Posts: 2279
Loc: Up here in the NorthWest
I would like too see this one keep going .....



BUMP!
_________________________
"Success is the ability to go from one failure to another with no loss of enthusiasm."
Sir Winston Churchill

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#2133148 - 01/09/11 02:43 PM Re: Cat C-13 with Luberfiner LFP 9750 Bypass Filter [Re: LargeCarManX2]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4346
Loc: Houston, Texas
I had them mess up a uoa one time. They gave me a TBN of like 7.8 and I knew that wasn't right because the oil only had a tbn of like 8 to begin with. I called them up and they retested it and corrected it.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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