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#4659107 - 02/07/18 01:35 PM Subaru forester Wix oil analysis with m1 EP 5w30
vjsi Offline


Registered: 02/07/18
Posts: 4
Loc: az
Subaru forester N/A 2009 5MT

DATE SAMPLED 09-Jan-18
DATE RECEIVED 15-Jan-18
DATE REPORTED 16-Jan-18
UIN 0648C88 TIME ON OIL 6600
Unidentified
Unidentified
OIL ANALYSIS REPORT LAB NO. 40110812051
SIF NO. 032183
TIME ON UNIT 85737
Gasoline Engine Unit No. Subaru Forester

Unit:
Make Subaru Model Forester
Serial No. Site

Compartment:
Name Gasoline Engine

ANALYST: Sam Smith Portland
LEGEND
Normal


Metals (ppm) Iron (Fe) 13
Chromium (Cr) 3
Lead (Pb) <1
Copper (Cu) 2
Tin (Sn) <1
Aluminium (Al) 3
Nickel (Ni) <1
Silver (Ag) <1
Titanium (Ti) <1
Vanadium (V) <1
Contaminants (ppm)
Silicon (Si) 12
Sodium (Na) 9
Potassium (K) <1
Additives (ppm) Magnesium (Mg) 647
Calcium (Ca) 1384
Barium (Ba) <1
Phosphorus (P) 785
Zinc (Zn) 845
Molybdenum (Mo) 100
Boron (B) 47
Contaminants Water (%) <0.05
Coolant No
Physical Tests
Viscosity (cSt 100C) 11.1
OIL GRADE SAE 5W30
OIL ADDED 1qt
FILTER Changed
OIL CHANGED Changed
WO NUMBER
Physical / Chemical
Base Number (mgKOH/g) 3.7

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#4659127 - 02/07/18 01:56 PM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
Donald Offline


Registered: 03/21/04
Posts: 20447
Loc: Upstate NY
Iron and silicon look a bit high for 6600 miles.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4659173 - 02/07/18 02:37 PM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
StevieBoy Offline


Registered: 08/06/12
Posts: 158
Loc: Central Florida
Would expect that oil to last a lot longer.
_________________________
2018 Grand Cherokee Limited
25th Anniversary Sterling Edition

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#4659413 - 02/07/18 07:03 PM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
fdcg27 Offline


Registered: 09/25/09
Posts: 15687
Loc: OH
Looks good for wear metals.
TBN shows once again that M1 EP isn't necessarily a 15K oil.
It clearly wouldn't have been for this engine as you used it.
How did you use it for this OCI?
How about a little back-story?
_________________________
17 Forester 12K MSS 0W-20
12 Accord LX 86K PP 5W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i

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#4659455 - 02/07/18 07:52 PM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
I'd like to know if the oil had a lot of short-trip driving.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4659561 - 02/07/18 09:33 PM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: fdcg27]
tig1 Offline


Registered: 01/03/09
Posts: 13655
Loc: Illinois
Originally Posted By: fdcg27
Looks good for wear metals.
TBN shows once again that M1 EP isn't necessarily a 15K oil.
It clearly wouldn't have been for this engine as you used it.
How did you use it for this OCI?
How about a little back-story?


How do you know that? TBN wise, that is. XM says their oil will drop to around 2-3 then stay there for another 5-10K.


Edited by tig1 (02/07/18 09:35 PM)
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4659623 - 02/08/18 12:27 AM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
vjsi Offline


Registered: 02/07/18
Posts: 4
Loc: az
I use this reusable air filter, could possibly be the reason?

https://www.amazon.com/dp/B00LNO13Y4/ref...3--3-0&sr=2

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#4659626 - 02/08/18 12:31 AM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: fdcg27]
vjsi Offline


Registered: 02/07/18
Posts: 4
Loc: az
Half highway, i drive a 100 mile route 2 times a week, because where i work is different than where i spend my weekend.
Other than that, maybe i drive about 50 to 80 miles of short trips in the city per week.

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#4659743 - 02/08/18 07:15 AM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
bluesubie Offline


Registered: 08/04/03
Posts: 2278
Loc: NJ
I'd definitely go to 7,500 miles. I doubt the TBN would change much.
_________________________
'04 Subaru Forester 2.5XT
Castrol Edge 0W-40

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#4659906 - 02/08/18 10:37 AM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
vjsi Offline


Registered: 02/07/18
Posts: 4
Loc: az
Well, i didn't like the fact that i was losing oil, so i switched to Rotella t6. I'll try 6k miles and then i'll do another analysis. But I still wonder about the Si being a little high, could it be because of that air filter that i'm using that i posted a link to? Thanks

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#4659908 - 02/08/18 10:40 AM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
OVERKILL Offline


Registered: 04/28/08
Posts: 36422
Loc: Ontario, Canada
Originally Posted By: vjsi
I use this reusable air filter, could possibly be the reason?

https://www.amazon.com/dp/B00LNO13Y4/ref...3--3-0&sr=2


Yes.

Put a paper filter back in there and see if silicon drops.
_________________________
2016 Durango Limited
2016 Grand Cherokee SRT

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#4660577 - 02/09/18 05:24 AM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: bluesubie]
zeng Offline


Registered: 09/01/15
Posts: 2184
Loc: Malaysia
Originally Posted By: bluesubie
I'd definitely go to 7,500 miles. I doubt the TBN would change much.

Concur with you ... as I'd seen it's residual TBN at 9-13k mile OCI's of 2-3.
15k in OP's subaru ? ..... I won't rule out though.


Originally Posted By: vjsi
....... But I still wonder about the Si being a little high, could it be because of that air filter that i'm using that i posted a link to? Thanks

VOA of EP 5W30 indicates 4-6 ppm of Si.
I 'believe' your Subaru air filtration system is performing as it's intended to , no evidence from me though.

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#4660639 - 02/09/18 07:46 AM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: vjsi]
bluesubie Offline


Registered: 08/04/03
Posts: 2278
Loc: NJ
Originally Posted By: vjsi
Well, i didn't like the fact that i was losing oil, so i switched to Rotella t6. I'll try 6k miles and then i'll do another analysis. But I still wonder about the Si being a little high, could it be because of that air filter that i'm using that i posted a link to? Thanks

T6 5W-30 or 5W-40? I would've gone with a high mileage oil. Actually, I would've gone with a conventional HM oil since synthetic isn't required.


Edited by bluesubie (02/09/18 07:53 AM)
_________________________
'04 Subaru Forester 2.5XT
Castrol Edge 0W-40

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#4662228 - 02/10/18 06:36 PM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: tig1]
fdcg27 Offline


Registered: 09/25/09
Posts: 15687
Loc: OH
Originally Posted By: tig1
Originally Posted By: fdcg27
Looks good for wear metals.
TBN shows once again that M1 EP isn't necessarily a 15K oil.
It clearly wouldn't have been for this engine as you used it.
How did you use it for this OCI?
How about a little back-story?


How do you know that? TBN wise, that is. XM says their oil will drop to around 2-3 then stay there for another 5-10K.


We all know that TBN decline isn't linear, but it seems a bit hard to believe that an oil that had suffered more than 60% TBN decline in only 6600 miles could somehow hang on for another 8400 miles.
I wouldn't bet on this regardless of what XOM marketing people have to say.
_________________________
17 Forester 12K MSS 0W-20
12 Accord LX 86K PP 5W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i

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#4667047 - 02/15/18 05:21 PM Re: Subaru forester Wix oil analysis with m1 EP 5w30 [Re: fdcg27]
bluesubie Offline


Registered: 08/04/03
Posts: 2278
Loc: NJ
Originally Posted By: fdcg27
Originally Posted By: tig1
Originally Posted By: fdcg27
Looks good for wear metals.
TBN shows once again that M1 EP isn't necessarily a 15K oil.
It clearly wouldn't have been for this engine as you used it.
How did you use it for this OCI?
How about a little back-story?


How do you know that? TBN wise, that is. XM says their oil will drop to around 2-3 then stay there for another 5-10K.


We all know that TBN decline isn't linear, but it seems a bit hard to believe that an oil that had suffered more than 60% TBN decline in only 6600 miles could somehow hang on for another 8400 miles.
I wouldn't bet on this regardless of what XOM marketing people have to say.

The safe way to find out is gradually extending the OCI and peform uoa's accordingly. Oh wait, you're referring to 15k oci's. Never mind. I wouldn't go past 7,500 miles. smile


Edited by bluesubie (02/15/18 05:23 PM)
_________________________
'04 Subaru Forester 2.5XT
Castrol Edge 0W-40

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