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#4454385 - 07/09/17 03:29 PM Anyone know anything about Subaru FF?
fdcg27 Offline


Registered: 09/25/09
Posts: 15699
Loc: OH
I'm faced with the dilemma of deciding whether an early drain of the FF in our just purchased new Subie would be advisable or not.
We know that some makers have specifically recommended that the FF not be drained early, with Honda coming to mind.
For our '12 Accord, Honda specifically recommended leaving the FF for a full normal interval. The reason appears to have been that the high moly content of the FF was found to be important in providing for proper break-in of the engine and whether that moly came from the oil formualtion, the assembly lube or the moly coating of the piston skirts really doesn't matter.
There are no recent UOAs here of Subaru FF oil except for a couple of 2 liter turbos that have nothing in common with the 2.5 in our new Forester. These UOAs did show very high moly, and it matters not whether that was part of the oil formulation or was effectively an additive from either the assembly lube or the piston skirts or both.
My concern is that I don't want to do an early change now that might bring long term higher oil consumption.
Like the Honda K24, some of these Subarus exhibit very high oil consumption and I'm trying to ensure that nothing I do will increase the likelihood of this.
I do have some very high moly 0W-20 in the form of Idemitsu HGMO API SM, so I could use that for an early drain.
What does everyone think.
I would love to hear from other FB25 owners.
_________________________
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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#4454396 - 07/09/17 03:40 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
CT8 Offline


Registered: 10/09/14
Posts: 10984
Loc: Idaho
Where do we get these ideas? Engine that consume oil is from manufacture or design.
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4454402 - 07/09/17 03:43 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
Danh Offline


Registered: 10/16/10
Posts: 1750
Loc: .
Not a Subaru owner, but I'd expect the Subaru ff to be the same across models except for (maybe) viscosity. As Subaru isn't vocal about timing of the first oil change, maybe it doesn't matter. But if you want to be extra-cautious, use an oil that meets current specs and do an early drain of the ff, how about Mazda 0w-20 for the first change? It's SN and shows about 500ppm of molybdenum, which is about the same as Honda ffs.

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#4454404 - 07/09/17 03:46 PM Re: Anyone know anything about Subaru FF? [Re: CT8]
Wick Offline


Registered: 09/27/05
Posts: 39
Loc: Fall River, MA
I use a wix 57055 filter with Eneos 0w20 and never have I've seen the dipstick oil level go down. 5 quarts out five quarts in. That's at 6000 mile oil change. Factory filters have cardboard endcaps with a Nitrile ant drain back devise that is flimsy.

https://bobistheoilguy.com/forums/ubbthreads.php/topics/4454207/Subaru_15208AA15a#Post4454207


Edited by Wick (07/09/17 03:59 PM)
_________________________
2016 Ford F150 5.0
Amsoil Signiture Series 5w20
With 150 ML of Archoil 9100

2016 Subaru Outback 2.5
Amsoil Signature Series 0W20

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#4454420 - 07/09/17 04:06 PM Re: Anyone know anything about Subaru FF? [Re: Wick]
Wick Offline


Registered: 09/27/05
Posts: 39
Loc: Fall River, MA
I dropped the factory stuff out at 3500 miles BTW and put a Fumoto valve on at the same time.
_________________________
2016 Ford F150 5.0
Amsoil Signiture Series 5w20
With 150 ML of Archoil 9100

2016 Subaru Outback 2.5
Amsoil Signature Series 0W20

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#4454434 - 07/09/17 04:17 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
Reggaemon Offline


Registered: 02/19/07
Posts: 323
Loc: Pennsylvania
FB20 did the first drain at 3000.
Now at 40,000 and not an oil burner.

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#4454442 - 07/09/17 04:25 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
John_VT Offline


Registered: 07/08/17
Posts: 43
Loc: Vermont
We ran our 2.0 out 6 months 3500-4000 miles. Mom did the same with her 2015 legacy. We have 25k and 40k+ on legacy now no oil use on either
_________________________
14 crosstrek 5 spd.Milesyn sxr 0-20
98 k1500 suburban 5.7L.Milesyn sb 5-30
03 Pontiac Montana. St 5-30
01 mojave,86 trx350,2-110cc atv's

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#4454497 - 07/09/17 05:40 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
RedOakRanch Offline


Registered: 11/10/13
Posts: 846
Loc: Central Coast California
I'll PM you an FB25 ff.
_________________________
1994 Ford Crown Vic 206k-Frankenbrew 0w20,30,40!
2005 Chevy 1500 Crewcab 4X4 178k-BC 0w30 $2/qt
2016 Outback 2.5 Limited 56k-M1 EP 0w20 $2/qt

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#4454498 - 07/09/17 05:41 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
SVTCobra Offline


Registered: 12/11/09
Posts: 701
Loc: Battle Creek, MI
I've got an UOA on the factory fill out of a 2016 Crosstrek which has the 2.0. If I get a chance I'll post it tomorrow and put the link in this thread.
_________________________
If marriage was outlawed only outlaws would have in-laws.

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#4454511 - 07/09/17 06:01 PM Re: Anyone know anything about Subaru FF? [Re: RedOakRanch]
fdcg27 Offline


Registered: 09/25/09
Posts: 15699
Loc: OH
Danke!
_________________________
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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#4454512 - 07/09/17 06:02 PM Re: Anyone know anything about Subaru FF? [Re: SVTCobra]
fdcg27 Offline


Registered: 09/25/09
Posts: 15699
Loc: OH
Auch danke!
Trav, is that a grammatically correct phrasing?
_________________________
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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#4454531 - 07/09/17 06:27 PM Re: Anyone know anything about Subaru FF? [Re: RedOakRanch]
fdcg27 Offline


Registered: 09/25/09
Posts: 15699
Loc: OH
Thanks.
Just looked at it.
Safe to say that there is no excess of either moly or ZDDP in Subaru's FF.
I think I'll do a 50% (3K) first run and then go to normal intervals.
_________________________
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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#4454534 - 07/09/17 06:30 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
rotorcraft230 Offline


Registered: 03/07/17
Posts: 29
Loc: Brazoria County Texas
I have a 2011 outback and a 2014 WRX which both had the FF IN FOR 3000 miles. Neither if these cars have oil consumption issues. 2011 Outback has 100,000 and the WRX has 18,000. Had a 2000 Outback same 3000 miles on FF sold it with 125,000 miles on it, never used any oil.
_________________________
06 Silverado 237,000 Val HM 5W-30 DD
14 WRX Hatch Rotella T6 5W-40
11 Subaru Outback Wife Val HM 5W-30
13 Honda Civic Daughter Val 0W-20

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#4454536 - 07/09/17 06:34 PM Re: Anyone know anything about Subaru FF? [Re: rotorcraft230]
fdcg27 Offline


Registered: 09/25/09
Posts: 15699
Loc: OH
Which engine does an '11 Outback have?
EJ or FB?
_________________________
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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#4454544 - 07/09/17 06:40 PM Re: Anyone know anything about Subaru FF? [Re: fdcg27]
rotorcraft230 Offline


Registered: 03/07/17
Posts: 29
Loc: Brazoria County Texas
EJ25. I think the 2012 have FB
_________________________
06 Silverado 237,000 Val HM 5W-30 DD
14 WRX Hatch Rotella T6 5W-40
11 Subaru Outback Wife Val HM 5W-30
13 Honda Civic Daughter Val 0W-20

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