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#2660460 - 06/21/12 12:47 AM Subaru 0W-20 FF, 2,800, 12 Subaru Impreza
Finklejag Offline


Registered: 11/23/03
Posts: 1444
Loc: WA
This was posted by a member of another forum I visit. This is the new FB20 engine in the 2012 Impreza. Subaru calls for 7,500 mile OCI's for this engine and model year. A lot of guys on that forum are changing out their FF at 3,000 because their dealers told them they should. My fiancee's 2012 Impreza has 2,700 miles on it. I plan to keep the FF in until 7,500 miles.

Aluminum 1
Chromium 1
Iron 29
Copper 154
Lead 1
Tin 2
Molybdenum 828
Nickel 1
Manganese 20
Silver 0
Titanium 0
Potassium 4
Boron 138
Silicon 330
Sodium 8
Calcium 1929
Magnesium 12
Phosphorus 850
Zinc 792
Barium 6

Flashpoint 410F
Fuel <0.5%
Antifreeze 0
Water 0
Insolubles 0.2%

SUS Viscosity @ 210F: 48.8
cSt Viscosity @ 100C: 6.89


Edited by Finklejag (06/21/12 12:57 AM)
_________________________
2010 Volkswagen GTI 2.0T

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#2660488 - 06/21/12 03:06 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Finklejag]
Garak Offline


Registered: 12/05/09
Posts: 11644
Loc: Regina, Saskatchewan, Canada
That's a boatload of moly.
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Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#2660529 - 06/21/12 06:34 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Finklejag]
ottotheclown Offline


Registered: 06/21/09
Posts: 2040
Loc: new york
The manuel I have says 3k first change then 7.5 after. The stealer suggested severe 3,750. At $80 a pop. I changed it at 3k it was a rush job leaving the windshield washer dry. A few good dealers around but I always side on them being far from what you would expect.I check everyting, can imagine what the pan bolt will look like in a few changes.The next fill I will start 5k like all others cars I have owned.

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#2660550 - 06/21/12 07:13 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Finklejag]
pbm Offline


Registered: 04/19/04
Posts: 5253
Loc: New York
I would change it at 3K because I'm one of those early first oil change guys. I used to do my first OCI at 1 or 1.5K so even 3K is a lot.

Finkeljag: How do you like the new Impreza? The wife has admired it and it's on our radar screen.
Do the dealers deal from sticker price at all?

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#2660638 - 06/21/12 09:21 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: pbm]
Rand Offline


Registered: 08/20/03
Posts: 7778
Loc: Barberton,Ohio
its cost cutting on the maintence schedule..

the first year fb25 required 3k mile change.. then suddenly in 2012 the fb engines dont?
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2015 Forester I-Premium 6MT


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#2660645 - 06/21/12 09:28 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Finklejag]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8594
Loc: N.H, U.S.A.
FF Lost viscosity index and sheared too thin. Change it at 3K, or at the very least change the filter ( wich is a 2 minute proposition). I changed our FB at 3K (which was required at the time) and we have no oil consumption issues. I am using the Subaru Gold Bottle (by: Idemitsu) oil to avoid warranty issues on this very unproved engine. None of these oils are group iv/v (true) synthetic.


Edited by ARCOgraphite (06/21/12 09:32 AM)
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2014 Nissan Note S 5MT, OC#1 1630mi-PGB 5W30+NISSAN Mexico 65F0C Filter
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#2660656 - 06/21/12 09:46 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: ottotheclown]
Finklejag Offline


Registered: 11/23/03
Posts: 1444
Loc: WA
Originally Posted By: ottotheclown
The manuel I have says 3k first change then 7.5 after. The stealer suggested severe 3,750.


The 2012 manual shows this.





I have Havoline 0W-20 and a OEM filter standing by already. I might just dump the FF.

My finacee really likes the car. She has been getting around 33-34 mpg during break-in. The car should get the 36 mpg that Subaru claims after break-in.
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2010 Volkswagen GTI 2.0T

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#2660785 - 06/21/12 12:06 PM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Rand]
bluesubie Offline


Registered: 08/04/03
Posts: 1859
Loc: NJ
Originally Posted By: Rand
its cost cutting on the maintence schedule..

the first year fb25 required 3k mile change.. then suddenly in 2012 the fb engines dont?

SoA claims they switched the first FB25 oil change to 7,500 miles after extensive testing. Hopefully the crew that did the testing wasn't the same one that said "5W-40 conventional" is ok for replenishment only. grin

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Motul X-cess 5W-40 | OEM Honeywell filter

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#2661512 - 06/22/12 12:30 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Finklejag]
Brons2 Offline


Registered: 09/16/03
Posts: 2484
Loc: Austin, Texas
The viscosity on that FF is beat way down. I'd change it a 3K and refill with the same high moly oil if possible.
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Mine: 2007 Kia Rondo LX 2.4 I4 5 pass, MC5K 5w20, OEM filter
Hers: 2010 Rav4 Sport 2.5 I4, M1 5w20, OEM filter

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#2662106 - 06/22/12 05:35 PM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Finklejag]
fdcg27 Offline


Registered: 09/25/09
Posts: 9410
Loc: OH
The oil did shear a fair bit, but the only thing that really looks bad is the copper.
Where did all that moly come from?
Assembly lube?
Based upon the shearing, I'd probably change your intended's Impy's oil at 3K.
Unless Subaru, knowing that the FF would shear, intended the thin oil to aid in break-in?
_________________________
12 Accord LX 22K HGMO 0W-20
09 Forester 64K PU 5W-30
02 Accord 127K G-Oil 5W-30
01 Focus ZX3 98K Synpower 10W-30
95 BMW 318iC 149K Defy 10W-40

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#2662430 - 06/23/12 04:16 AM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: Finklejag]
bluesubie Offline


Registered: 08/04/03
Posts: 1859
Loc: NJ
The moly comes from the assembly lube and the factory fill Idemitsu oil. The same levels of moly are not found in the dealer service fill due to GF5 restrictions.

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Motul X-cess 5W-40 | OEM Honeywell filter

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#2678966 - 07/09/12 01:40 PM Re: Subaru 0W-20 FF, 2,800, 12 Subaru Impreza [Re: bluesubie]
CATERHAM Offline


Registered: 11/18/05
Posts: 9597
Loc: Burlington, Ontario, Canada
If the OP wanted to change the oil and stick with Idemitsu and the high moly levels, the Mazda 0W-20 and Mitsubishi 0W-20 are still using the Idemitsu GF-4 oil that contains the high moly.
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74 Lotus Europa 5W-50
86 Porsche 928S TGMO 0W-20 25%/M1 0W-40
96 BMW 328i Idemitsu/TGMO 0W-20 70%/M1 0W-40
94 Caterham 7 Sustina 0W-20 80%/0W-50

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