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#1976129 - 08/04/10 07:40 PM Subaru now recommends Synthetic, some 0W-20.
bodeh6 Offline


Registered: 12/22/09
Posts: 616
Loc: Metro Detroit, MI
7/30 Synthetic oil - Subaru is now recommending using Subaru Synthetic 5W-30 oil for 2010 and prior turbo engines, and requiring it for all 2011 turbo engines. The oil change interval does not appear to have changed. This oil is also recommended for all non-turbo vehicles, except the new 2011 Forester 2.5L (non turbo) due later this year which will use a 0W-20 Subaru synthetic oil.

Link

I wonder who will make this oil?
_________________________
06' Subaru Legacy 2.5i 88K+ Miles
M1 HM 5W-30/OEM Filter

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#1976138 - 08/04/10 07:48 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
WagonBoss Offline


Registered: 01/24/09
Posts: 192
Loc: Northern Virginia
Oh, good. If they require it, doesn't that mean they have to give it to you free of charge? I think I'll stick to the NA.
_________________________
2009 Outback 2.5i
2008 Impreza 2.5i
L14460/Formula Shell 5w-30
2004 Corolla
L14476/Formula Shell 5w-30
2012 Chrysler 300
Wix 57526/QSUD 5w-30

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#1976170 - 08/04/10 08:16 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: WagonBoss]
rslifkin Offline


Registered: 06/27/10
Posts: 2224
Loc: Stamford, CT / Rochester, NY
They only have to give it to you free if they require their brand. As long as they let you use another brand that meets the requirements, they're covered.
_________________________
1998 Jeep Grand Cherokee 5.9 Limited with Heads/Cam/Headers/Exhaust/Tune/Shift Kit/Suspension Work (177k miles, bought with 100k)
Rotella T6 @ 6k OCI

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#1976182 - 08/04/10 08:29 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: rslifkin]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
Smart move going to synthetic. I guess SoA is tired of paying blown turbo claims on cars that ran dealer bulk conventional oil.

I presume that Joe Spitz got his info from a bulletin, or an '11 owner's manual, because he doesn't list the source.

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#1976192 - 08/04/10 08:35 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
StevieC Offline


Registered: 08/21/08
Posts: 14339
Loc: Niagara Falls, ON, CA (near)
Wow... I wonder if the other MFG's will follow suit. I could see for the Turbo's or performance vehicles but all? That is interesting. thumbsup
_________________________
'06 Hyundai Sante Fe - 330K KM's
Current Oil: RLI 0w30 (Ask me why)

Don't be part of the Sheeple, check frequently for wool over your eyes. wink

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#1976220 - 08/04/10 08:57 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: StevieC]
bodeh6 Offline


Registered: 12/22/09
Posts: 616
Loc: Metro Detroit, MI
I am questioning though the 0W-20 for the NA 2011 Forester. I did not believe Subbies would like a thin oil. Even other NA Subbies spec XW-30. Lots of people like thicker oils like GC in Subarus.
_________________________
06' Subaru Legacy 2.5i 88K+ Miles
M1 HM 5W-30/OEM Filter

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#1976241 - 08/04/10 09:08 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
StevieC Offline


Registered: 08/21/08
Posts: 14339
Loc: Niagara Falls, ON, CA (near)
I would tend to think the same!
_________________________
'06 Hyundai Sante Fe - 330K KM's
Current Oil: RLI 0w30 (Ask me why)

Don't be part of the Sheeple, check frequently for wool over your eyes. wink

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#1976511 - 08/05/10 07:48 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: StevieC]
snajper69 Offline


Registered: 07/01/10
Posts: 28
Loc: Stamford, CT USA
Lol I guess better late than never wink. I been runing PP 5w-30 on my 2010 Subaru wink. Where did you get that info from? As far as I am aware any one e-mailing SOA got the same answer saying that they do not recomend Synthetic in their engine?


Edited by snajper69 (08/05/10 07:53 AM)

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#1976515 - 08/05/10 07:54 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
snajper69 Offline


Registered: 07/01/10
Posts: 28
Loc: Stamford, CT USA
Originally Posted By: bodeh6
I am questioning though the 0W-20 for the NA 2011 Forester. I did not believe Subbies would like a thin oil. Even other NA Subbies spec XW-30. Lots of people like thicker oils like GC in Subarus.


Is this due to the piston slaps that some owners experience in their cars? Just asking.

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#1976524 - 08/05/10 08:07 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: snajper69]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: snajper69
Originally Posted By: bodeh6
I am questioning though the 0W-20 for the NA 2011 Forester. I did not believe Subbies would like a thin oil. Even other NA Subbies spec XW-30. Lots of people like thicker oils like GC in Subarus.


Is this due to the piston slaps that some owners experience in their cars? Just asking.
..a short answer..piston slap has nothing to do with the type of oil used, but more to do with the design of the piston and is not necessarily a bad thing..many car manuf. have motors with this added feature (according to them)..someone I know with a '70 camero also as some "slap" in only one piston..piston diameter size is about .0005 under size from what it should be in relation to the bore and compared to the other pistons installed...

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#1976538 - 08/05/10 08:26 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: bodeh6
7/30 Synthetic oil - Subaru is now recommending using Subaru Synthetic 5W-30 oil for 2010 and prior turbo engines, and requiring it for all 2011 turbo engines. The oil change interval does not appear to have changed. This oil is also recommended for all non-turbo vehicles, except the new 2011 Forester 2.5L (non turbo) due later this year which will use a 0W-20 Subaru synthetic oil.

Link

I wonder who will make this oil?
..as time moves on, the lighter oils and synthetic oils are becoming more acceptable in areas of the world were thicker oils were the norm..But really the above is "very" old news because subaru has for many years already recommended the syn.5/30 and syn 0/20 ..I have posted this before.. the following in japanesse, but you will get the picture..4 oils.. the top 2 for diesels and the bottom 2 for gas.. http://www.subaru.jp/accessory/maintenance/engine_oil/index.html and also by scolling down to "fuji" at this web site and then click around.. http://eolcs.api.org/FindBrandByViscosity.asp?Viscosity=0W-20 ..been useing 20 weight oils in all climates for the last 3 yrs in my '01 OB..same goes for all my vehicles from the mid '80's..nothing abnormal has ever come back from "blackstone"

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#1976548 - 08/05/10 08:53 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Petersubaru]
snajper69 Offline


Registered: 07/01/10
Posts: 28
Loc: Stamford, CT USA
Thanks. This is interesting.

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#1976551 - 08/05/10 08:56 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
Pesca Offline


Registered: 05/31/08
Posts: 834
Loc: Montreal, Quebec in Canada
Originally Posted By: bodeh6


Still no CVT nor Diesel in 2011 for the Forester, Grrr!

What are they waiting for?
_________________________
2009 BMW 328Xdrive - GC 0w30 with Mann filter
2002 Miata LS - PP 5w20 with Amsoil filter

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#1976553 - 08/05/10 08:57 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Pesca]
snajper69 Offline


Registered: 07/01/10
Posts: 28
Loc: Stamford, CT USA
Thanks god no CVT, diesel would be nice.

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#1976576 - 08/05/10 09:27 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: snajper69]
bagtagley Offline


Registered: 06/18/10
Posts: 14
Loc: USA
I remember reading recently that Subaru had dropped the diesel for the North American market and were working on a hybrid. Not sure how much truth there is to that.

Peter, that's pretty interesting. I'm on my 3rd Subaru, and have never fully understood the heavier weight recommendation for these cars. I switched my '98 Legacy GT to Rotella T at about ~150K miles based on an article I'd read at the time touting the great protection of HDEO oils, particularly in higher mileage vehicles. I can't say I noticed much difference in the way it ran, and looking back, it probably wasn't the best idea for SLC winters. I've considered going to 0w30 in my '05, but never 0w20. I may have to reconsider. :D

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#1976599 - 08/05/10 10:00 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: snajper69]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: snajper69
Lol I guess better late than never wink. I been runing PP 5w-30 on my 2010 Subaru wink. Where did you get that info from? As far as I am aware any one e-mailing SOA got the same answer saying that they do not recomend Synthetic in their engine?
..once a yr I take my subi into the dealer for a quick walk around tour to see if any work needs to be done..also at that time I get the oil changed and they give the customer the choice of syn or dino...I only use dino in all my cars and in my other subi car being an '86 with 240Kmiles, the compression is still very close to new and does not burn any noticeable oil..the turbos and cold weather starting, like 30-50deg below would benefit from syn..personally I think the subaru turbos have a design problem of some sort...

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#1976612 - 08/05/10 10:11 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bagtagley]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: bagtagley
I remember reading recently that Subaru had dropped the diesel for the North American market and were working on a hybrid. Not sure how much truth there is to that.

Peter, that's pretty interesting. I'm on my 3rd Subaru, and have never fully understood the heavier weight recommendation for these cars. I switched my '98 Legacy GT to Rotella T at about ~150K miles based on an article I'd read at the time touting the great protection of HDEO oils, particularly in higher mileage vehicles. I can't say I noticed much difference in the way it ran, and looking back, it probably wasn't the best idea for SLC winters. I've considered going to 0w30 in my '05, but never 0w20. I may have to reconsider. :D
..since you live in the US..the best for cost..5/20 motorcraft 5qt at Wmart $12..good for 5-7500miles (depending if it is city or highway) ..tested according to "Blackstone"

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#1976616 - 08/05/10 10:18 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bagtagley]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: bagtagley
I remember reading recently that Subaru had dropped the diesel for the North American market and were working on a hybrid. Not sure how much truth there is to that.

Peter, that's pretty interesting. I'm on my 3rd Subaru, and have never fully understood the heavier weight recommendation for these cars. I switched my '98 Legacy GT to Rotella T at about ~150K miles based on an article I'd read at the time touting the great protection of HDEO oils, particularly in higher mileage vehicles. I can't say I noticed much difference in the way it ran, and looking back, it probably wasn't the best idea for SLC winters. I've considered going to 0w30 in my '05, but never 0w20. I may have to reconsider. :D
..looking at those basic numbers on the bottle for example, 0w30 doesn't really tell the whole story and is somewhat confusing because some oils labeled 0w30 are actually thicker then some 5w30's out there, even at start-up...

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#1976700 - 08/05/10 11:39 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bagtagley]
ottotheclown Offline


Registered: 06/21/09
Posts: 2040
Loc: new york
Wow, noticed that Subaru is now switching over to chains rather than timing belts.What were they waiting for?????That link was cool. Thanks.

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#1976753 - 08/05/10 12:44 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: snajper69]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
Originally Posted By: snajper69
As far as I am aware any one e-mailing SOA got the same answer saying that they do not recomend Synthetic in their engine?

SoA has never had a problem with folks running synthetic as long as you use the recommended grade and stick to their oci.

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#1976770 - 08/05/10 01:04 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
edhackett Offline


Registered: 06/09/03
Posts: 1548
Loc: Sequim, WA
What Dennis said. It's right in the owner's manual. Recommended grade anything from 5W-30 to 20w-50, depending on conditions. Synthetic OK at their recommended OCI.

Ed
_________________________
Never attribute to engineers that into which politicians, lawyers, accountants, and marketeers have poked their fingers.

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#1976779 - 08/05/10 01:23 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: edhackett]
subiedriver Offline


Registered: 06/04/10
Posts: 517
Loc: Colorado
I run M1 0w-30 or 5w-30 in winter, M1 10w-30 HM in the summer, works great for me.
_________________________
2004 Subaru Legacy 4 door, 2.5, 140,000 miles
Always Mobil 1, since I bought it at 80,000 miles.
30 mpg

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#1976869 - 08/05/10 02:44 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
snajper69 Offline


Registered: 07/01/10
Posts: 28
Loc: Stamford, CT USA
Originally Posted By: bluesubie
Originally Posted By: snajper69
As far as I am aware any one e-mailing SOA got the same answer saying that they do not recomend Synthetic in their engine?

SoA has never had a problem with folks running synthetic as long as you use the recommended grade and stick to their oci.

-Dennis


yes but they never recomended. Any time you would e-mail SOA you would get do whatever you want but we do not endorce it wink. Now with them saying they actually recomend is complete change of position.

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#1976932 - 08/05/10 03:29 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: edhackett]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: edhackett
What Dennis said. It's right in the owner's manual. Recommended grade anything from 5W-30 to 20w-50, depending on conditions. Synthetic OK at their recommended OCI.

Ed
..what is says in the manual about oil grades,..they have been saying this for decades, my early '80's manual says the same thing..it really needs an update, and also an article at "subaru endwrench" recommended 10w20 for towing (no longer available or easily gotten).. the point here is that for towing it still takes a Xw20..think about it,..under what "conditions" would the car have to be in to safely use a 20w50 especially with bearing clearances of .0005(quarter of your hair width)( not a good idea)..I used this 20w50 weight way back in the sixties because the piston bores where so greatly enlarged from wear and bearing clearances of .0015 (much larger),that the next step for lubrication would be to fill the sump with straight STP..useing heavy weight oil was the thing to do for worn out motors...


Edited by Petersubaru (08/05/10 03:32 PM)

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#1976945 - 08/05/10 03:43 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: ottotheclown]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: ottotheclown
Wow, noticed that Subaru is now switching over to chains rather than timing belts.What were they waiting for?????That link was cool. Thanks.
..I hope they don't have the same problems concerning the chain "tensioners and guides" prematurely wearing out like on the 6 cyl..it just means that the oil has to be exchanged earlier for those older cars..about the newer cars with chains..I guess we will have to wait and see..not just subaru, but chrysler has had there share of problimatic tensioners,..what they have in common is that it takes motor oil to lub them..the tensioners really need clean or perhaps a more slippery oil thus more frequent oil changes...


Edited by Petersubaru (08/05/10 03:45 PM)

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#1976955 - 08/05/10 03:50 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: snajper69]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: snajper69
Originally Posted By: bluesubie
Originally Posted By: snajper69
As far as I am aware any one e-mailing SOA got the same answer saying that they do not recomend Synthetic in their engine?

SoA has never had a problem with folks running synthetic as long as you use the recommended grade and stick to their oci.

-Dennis


yes but they never recomended. Any time you would e-mail SOA you would get do whatever you want but we do not endorce it wink. Now with them saying they actually recomend is complete change of position.
..I "think" that their postion concerning syn oil has more to do with the newer cars coming for 2011 and because they are chain driven..anything to help with there past previous chain problems...the cost of subaru maintanence and maintaining warrenty has just gone up drasticly...

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#1977000 - 08/05/10 04:46 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Petersubaru]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada
0w20 in an H4!? Blasphemy!! grin
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#1977071 - 08/05/10 05:37 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: webfors
0w20 in an H4!? Blasphemy!! grin
...if those timing chains are still lubed by the motor oil..then the upgrade to syn is for the chain and not the motor..I hope this doesn't lead me to buy a Ford

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#1977087 - 08/05/10 05:47 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Petersubaru]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
Part of the reason for the move could be CAFE as well. It was mentioned in End Wrench a few years ago that some NA cars came with xW-20 from the factory .

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#1977125 - 08/05/10 06:17 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
fdcg27 Offline


Registered: 09/25/09
Posts: 9544
Loc: OH
I dunno.
Ours seems very happy on GC.
Maybe it would like an XW-20?
Still, I will continue with the thickish GC for the moment.
Great fuel economy has never been an AWD Subaru virtue.
_________________________
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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#1991383 - 08/19/10 06:50 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: fdcg27]
agam Offline


Registered: 03/03/10
Posts: 22
Loc: memphis, tn
i heard this is made by idemitsu

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#2003199 - 08/30/10 11:58 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: agam]
AWDfreak Offline


Registered: 04/06/10
Posts: 45
Loc: SF Bay Area, CA (USA)
That's quite a surprise, since many of the Subaru guys at the Subaru tech forum I frequent recommend dino oil and/or thicker oils.

As for the source, I haven't heard of Idemitsu until now.

And speaking of which, Subaru Tecnica International in Japan sells rebranded Motul oils, so I would assume maybe this would also be rebranded Motul...
_________________________
MY2014 Subaru XV Crosstrek 5MT

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#2003300 - 08/31/10 07:52 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: AWDfreak]
HK_Ace Offline


Registered: 08/20/10
Posts: 148
Loc: Ken Caryl, Colorado
My Subaru doesn't even like Amsoil 5W-30, though does better on Pennzoil Platinum 5W-30. I'm switching to German Castrol after this winter. No way I'm running 5W-20, just so they can meet some overall fuel efficiency number. That is my conspiracy theory anyway. :)
_________________________
2014 Jeep Wrangler Rubicon 4-Door (White)
2005 Toyota 4Runner 4.7L V8 4x4 (White)

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#2003302 - 08/31/10 07:55 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: HK_Ace]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada
The 2011 NA Forester will probably have tighter tolerances and a longer piston skirt if it's going to run 0w20, otherwise new owners will get a wonderful piston slap musical treat grin

I wouldn't run a 20 weight in the boxer. Just my opinion.
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#2003847 - 08/31/10 07:26 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
waynlewis Offline


Registered: 03/22/10
Posts: 22
Loc: Royal Palm Bch FL, USA
Wonder how this would compare to the Rotella T6??

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#2003872 - 08/31/10 07:59 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: AWDfreak]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
Originally Posted By: AWDfreak
That's quite a surprise, since many of the Subaru guys at the Subaru tech forum I frequent recommend dino oil and/or thicker oils.

As for the source, I haven't heard of Idemitsu until now.

And speaking of which, Subaru Tecnica International in Japan sells rebranded Motul oils, so I would assume maybe this would also be rebranded Motul...

Idemitsu has been making the SoA ATF for several years now. They have also been making Subaru branded 5W-30 and 0W-20 worldwide for a few years.

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2003916 - 08/31/10 09:11 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
AWDfreak Offline


Registered: 04/06/10
Posts: 45
Loc: SF Bay Area, CA (USA)
Originally Posted By: bluesubie
Originally Posted By: AWDfreak
That's quite a surprise, since many of the Subaru guys at the Subaru tech forum I frequent recommend dino oil and/or thicker oils.

As for the source, I haven't heard of Idemitsu until now.

And speaking of which, Subaru Tecnica International in Japan sells rebranded Motul oils, so I would assume maybe this would also be rebranded Motul...

Idemitsu has been making the SoA ATF for several years now. They have also been making Subaru branded 5W-30 and 0W-20 worldwide for a few years.

-Dennis


Thanks a lot!!! This is exactly the response I was waiting for!
_________________________
MY2014 Subaru XV Crosstrek 5MT

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#2003923 - 08/31/10 09:16 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: AWDfreak]
bodeh6 Offline


Registered: 12/22/09
Posts: 616
Loc: Metro Detroit, MI


Uploaded with ImageShack.us
_________________________
06' Subaru Legacy 2.5i 88K+ Miles
M1 HM 5W-30/OEM Filter

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#2003948 - 08/31/10 09:52 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: webfors
The 2011 NA Forester will probably have tighter tolerances and a longer piston skirt if it's going to run 0w20, otherwise new owners will get a wonderful piston slap musical treat grin

I wouldn't run a 20 weight in the boxer. Just my opinion.
..Not true..go back to the first page and read the 2 links I have provided..

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#2004019 - 08/31/10 11:24 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Petersubaru]
AWDfreak Offline


Registered: 04/06/10
Posts: 45
Loc: SF Bay Area, CA (USA)
Asked the parts manager today at the local Subaru dealership, they recently got the 5W-30 and 0W-20 Subaru synthetic oil.

As I had expected, he said it wasn't necessary for a pre-2011 model year naturally-aspirated Subaru, and that it was recommended for turbocharged Subarus and the 2011 and after model year Subarus. Well, at least that's what I remember, but my memory is kinda fuzzy right now...


Edited by AWDfreak (08/31/10 11:25 PM)
_________________________
MY2014 Subaru XV Crosstrek 5MT

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#2004137 - 09/01/10 06:15 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: AWDfreak]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
bodeh6, where's that from?

It says that 5W-30 and 0W-20 is available. Then it says that "5W-20 synthetic is required for all 2011 turbo engines". Typo? confused

I'm sure Subaru will put out an official statement soon.

From subaruwrxparts:

Genuine Subaru Synthetic Motor Oil 5W-30
With all of the options for engine oil, it's nice to know there is one you can trust for your Subaru. Genuine Subaru Synthetic Motor oil offers the following increased performance and protection for your engine:

* Superior protection against oil breakdown for a cleaner running engine and long engine life
* Increased protection against varnishing and deposits
* Superior lubrication reduces engine wear across the operating temperature range and optimizes fuel economy
* Reduces oil loss due to evaporation and burn off
* Recommended for ALL Turbocharged Subaru Engines
* Required for all Turbocharged engines 2011+(note: 2011 Forester will require Genuine Subaru 0W-20 Synthetic Oil)

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2004140 - 09/01/10 06:19 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
chevrofreak Offline


Registered: 06/17/05
Posts: 4911
Loc: Billings, MT
When I was researching the Service Pro 0w-20 that we sell I came across a list of currently licensed blenders of 0W-20 oils, and for Subaru the blender was listed as Fuji Heavy Industries.

http://eolcs.api.org/FindBrandByViscosity.asp?Viscosity=0W-20

Looks like Subaru might be making it themselves?
_________________________
I <3 Red Line oil

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#2004182 - 09/01/10 07:41 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: chevrofreak]
bodeh6 Offline


Registered: 12/22/09
Posts: 616
Loc: Metro Detroit, MI
_________________________
06' Subaru Legacy 2.5i 88K+ Miles
M1 HM 5W-30/OEM Filter

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#2004188 - 09/01/10 07:49 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada


Interesting stuff. No mention of a back spec for the 0w20. I wonder what changed in the 2011 H4.

I am surprised it took them so long to recommend synthetic in their turbo engines.
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#2004316 - 09/01/10 10:01 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
Bill in Utah Offline



Registered: 11/11/02
Posts: 12786
Loc: UT
Well I can see that my current Subaru will be my last. While I like the idea of a chain instead of the belt I can just think how much that cover WILL leak down the road. smirk

I'd never buy a turbo so I guess normal motors (Ie I4, V6, V8) for me.

Plus I know what my Boxer sounded like with a light 30wt oil, I can just think with 0w-20 sounds like. shocked

And another thing for Subaru to be picky about IF you have any warranty issues. I'd love to see the manual on oil in a 2011.

Bill

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#2004335 - 09/01/10 10:30 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Bill in Utah]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada
Originally Posted By: Bill in Utah
Well I can see that my current Subaru will be my last. While I like the idea of a chain instead of the belt I can just think how much that cover WILL leak down the road. smirk

I'd never buy a turbo so I guess normal motors (Ie I4, V6, V8) for me.

Plus I know what my Boxer sounded like with a light 30wt oil, I can just think with 0w-20 sounds like. shocked

And another thing for Subaru to be picky about IF you have any warranty issues. I'd love to see the manual on oil in a 2011.

Bill


Agreed. With PP 5w30 the H4 is a much louder beast. I too would not want to hear a 20 weight in it. Maybe the Subaru oil is formulated just right for the H4? shrug

You still have a leak in your H4 Bill?

It's a love/hate relationship with Subarus.. but I also see myself moving in the direction of a nice smooth Toyota/Honda I4/v6 with an auto which not long ago was pure blasphemy. My wife's Corolla is just the smoothest and nicest car to drive which got me thinking.
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#2004352 - 09/01/10 10:49 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
Bill in Utah Offline



Registered: 11/11/02
Posts: 12786
Loc: UT
Originally Posted By: webfors


Agreed. With PP 5w30 the H4 is a much louder beast. I too would not want to hear a 20 weight in it. Maybe the Subaru oil is formulated just right for the H4? shrug

You still have a leak in your H4 Bill?

It's a love/hate relationship with Subarus.. but I also see myself moving in the direction of a nice smooth Toyota/Honda I4/v6 with an auto which not long ago was pure blasphemy. My wife's Corolla is just the smoothest and nicest car to drive which got me thinking.


Well I did a UOA after our 6k mile trip across the US (which btw, the Subaru did EXCELLENT. LOVE the powertrain approved ) did not show any coolant in the oil BUT I still smell and use about a 1/2 cup of coolant in the overflow tank a month. frown So either I have an external leak or something is lowering the level. shrug

Since its not *in* the engine its not going to lower the life of the motor. I'll take it in again when I have sometime to waste and have them again check it out. But of course, IF they find something and have to take it apart then I run a BIG risk of something else going wrong since lets face it, a boxer is NOT a SIMPLE engine. Esp for a 4 cyl.

I love the drive train and safety of the Subaru (when the wife was hit by the semi, the car did very well) but with the new ones going to chains (and like I said above, I can just see that cover (the H6 has tons of bolts) leaking) and their 0w-20 oil (which I'd not run) requirement I think all the other "issues" I have with Subaru when it comes time to get another vehicle for the wife, Subaru will be off the list. And that is funny since I was going to get a Forester for her not too long ago.

Hopefully we will just keep on going with this one for 4-5 more years. I doubt it but will see.

Take care, bill

PS: I hoped that when I did the coolant change (flushed it and did use the "conditioner stop leak") that it would stop with the smell and usage of coolant. Did not...

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#2004658 - 09/01/10 03:09 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bagtagley]
snajper69 Offline


Registered: 07/01/10
Posts: 28
Loc: Stamford, CT USA
I don't know but being Honda guy as far as SUV goes I think that subaru are just more fun, and I don't see myself driving one (I do own CRV but I let my wife use it forester is for me only). Like all cars there are issues, the only perfect car that I owned was 2004 Honda Civic lx and 2000 Nissan Sentra 2.0 I don't know if it's me or are the cheap budget cars just made better? Sure they are not that family friendly but man do they take beating and last forever? As far as oil goes after one year of ownership and 20k behind me I still love my forester but what I learned that 5w-30 will be going in in the winter time, and for summer I need something havier like 5w-40 as the thin staff just gets burned fast, the consumption is up, so I will see how it will do on 5w-40. Any sugestions for 5w-40 synthetic oil? Just please don't say Mobil as I am not a fan and I would rather support the underdogs. Thanks.

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#2004666 - 09/01/10 03:15 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: snajper69]
HK_Ace Offline


Registered: 08/20/10
Posts: 148
Loc: Ken Caryl, Colorado
I'm going be using Castrol 0W-30 ("German Castrol") in my Forester next. It is a heavyweight 30 and I hear Subies love it.
_________________________
2014 Jeep Wrangler Rubicon 4-Door (White)
2005 Toyota 4Runner 4.7L V8 4x4 (White)

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#2004667 - 09/01/10 03:17 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: HK_Ace]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada
Rotella T6 5w40 is a great choice. So is M1 0w40 and TDT 5w40, if you want to look at 40 weights.

GC is a good all year choice too. Haven't tried it myself yet.
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#2004976 - 09/01/10 08:34 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ

Thanks. Saw this at nasioc as well and sent an email to Joe.
Edit:
Typo. grin

Quote:
Right, a typo, fixed it. Thanks for the careful reading and taking the time to write. Joe

-Dennis


Edited by bluesubie (09/01/10 08:38 PM)
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2004979 - 09/01/10 08:36 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: chevrofreak]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
Originally Posted By: chevrofreak
When I was researching the Service Pro 0w-20 that we sell I came across a list of currently licensed blenders of 0W-20 oils, and for Subaru the blender was listed as Fuji Heavy Industries.

http://eolcs.api.org/FindBrandByViscosity.asp?Viscosity=0W-20

Looks like Subaru might be making it themselves?

Does API Licensee always = blender?

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2005027 - 09/01/10 09:22 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: webfors


Interesting stuff. No mention of a back spec for the 0w20. I wonder what changed in the 2011 H4.

I am surprised it took them so long to recommend synthetic in their turbo engines.
..no need to back spec the 0w/20..it has been sold for several yrs already in other parts of the world..

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#2005038 - 09/01/10 09:39 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Bill in Utah]
Petersubaru Offline


Registered: 01/24/10
Posts: 235
Loc: Canada
Originally Posted By: Bill in Utah
Well I can see that my current Subaru will be my last. While I like the idea of a chain instead of the belt I can just think how much that cover WILL leak down the road. smirk

I'd never buy a turbo so I guess normal motors (Ie I4, V6, V8) for me.

Plus I know what my Boxer sounded like with a light 30wt oil, I can just think with 0w-20 sounds like. shocked

And another thing for Subaru to be picky about IF you have any warranty issues. I'd love to see the manual on oil in a 2011.

Bill
..my present subaru will be my last one..subaru along with chrysler don't have a very good track record useing chains that are lubricated by the motor oil..perhaps the use of synthetic oil may help with their longevity .. at least it will get you beyond the warranty

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#2005044 - 09/01/10 09:45 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
buster Offline


Registered: 11/16/02
Posts: 29217
Loc: NJ
Mobil 1 0w20 meets GM 4718M.
_________________________
2014 Mazda 3 S GT AT - OE oil
2003 Forester XS 5spd - M1 0w40

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#2005055 - 09/01/10 10:01 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Bill in Utah]
rcy Offline


Registered: 02/14/04
Posts: 1557
Loc: Burlington, Ontario, Canada
Originally Posted By: Bill in Utah

I love the drive train and safety of the Subaru (when the wife was hit by the semi, the car did very well) but with the new ones going to chains (and like I said above, I can just see that cover (the H6 has tons of bolts) leaking) and their 0w-20 oil (which I'd not run) requirement I think all the other "issues" I have with Subaru when it comes time to get another vehicle for the wife, Subaru will be off the list. And that is funny since I was going to get a Forester for her not too long ago.



I had a 2001 Outback with the H6 (first year of the H6 in the Outback). When I got rid of it, it had 150000KM on it and was eight years old. Didn't burn any oil, and the cover over the timing chain didn't leak a bit either. However, I will admit, that IF it did, having to remove 45 (or so) bolts would have been a pain.

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#2005339 - 09/02/10 08:14 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: rcy]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada
yeah, I'm just not biting on the 20 weight in the H4. PP 5w30 is about as thin as I'm willing to go.

Good to know the 01 H6 had no major issues for 150K km.
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#2006417 - 09/03/10 07:27 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: webfors]
thunderchild Offline


Registered: 10/17/02
Posts: 616
Loc: Maryland
I have used nothing but 5w-40 since my Subaru was new. At 500 miles I switched out the factory fill and put in PP 5w-40 European. I have now switched to Rotella T6 5w-40 synthetic. The car seems to love it. No problems so far at all and she runs smooth. I have been doing 5K OCI's but I am going to switch to 7500 with the T6. 95% highway miles so it should last.

drive
_________________________
2009 Subaru Outback 2.5i Limited (30K+ miles a year)
2003 Dodge Durango 4.7 4x4 (Sold)R.I.P.
2004 Chevrolet Tahoe 5.3 4x4

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#2007682 - 09/04/10 08:32 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: thunderchild]
bikepoet Offline


Registered: 01/18/09
Posts: 1
Loc: VA, USA
Anyone done a VOA or UOA on the Subaru Synthetics yet?

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#2007844 - 09/05/10 01:53 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bikepoet]
AWDfreak Offline


Registered: 04/06/10
Posts: 45
Loc: SF Bay Area, CA (USA)
Well I just did some internet searching, and it seems very likely it may be an Idemitsu product (since Idemitsu has been giving Subaru Japan the same grade oils as Genuine Subaru fluid)

http://www.idemitsu.co.jp/zepro/oilsearch/subaru/index.html
_________________________
MY2014 Subaru XV Crosstrek 5MT

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#2007917 - 09/05/10 08:00 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: AWDfreak]
Captain_Klink Offline


Registered: 05/29/09
Posts: 610
Loc: Afghanistan
i've been using 50:50 synthetic 5w30 : conventional 5w20 in my Subaru for a couple of years already. after reading Dr. Haus's article on oil here, it makes sense: the problem with oil, is that it is too thick.

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#2009254 - 09/06/10 04:38 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: AWDfreak]
agam Offline


Registered: 03/03/10
Posts: 22
Loc: memphis, tn
Originally Posted By: AWDfreak
Well I just did some internet searching, and it seems very likely it may be an Idemitsu product (since Idemitsu has been giving Subaru Japan the same grade oils as Genuine Subaru fluid)

http://www.idemitsu.co.jp/zepro/oilsearch/subaru/index.html



the subaru oil in the US is definitely made by idemitsu, i read the back of the bottle :D.. anyone know if this is a gf-4 or a gf-5?

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#2010986 - 09/08/10 11:07 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
chevrofreak Offline


Registered: 06/17/05
Posts: 4911
Loc: Billings, MT
Originally Posted By: bluesubie
Originally Posted By: chevrofreak
When I was researching the Service Pro 0w-20 that we sell I came across a list of currently licensed blenders of 0W-20 oils, and for Subaru the blender was listed as Fuji Heavy Industries.

http://eolcs.api.org/FindBrandByViscosity.asp?Viscosity=0W-20

Looks like Subaru might be making it themselves?

Does API Licensee always = blender?

-Dennis


As far as I know, that is the requirement, or else the product is considered unlicensed.
_________________________
I <3 Red Line oil

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#2055422 - 10/23/10 11:48 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
number_41 Offline


Registered: 10/11/09
Posts: 38
Loc: Missouri, USA
Inspected a quart bottle of Subaru Synthetic oil at the dealer's parts counter yesterday. Surprise!! This oil was not rated. No API SM (or new SN) and no ILSAC A1 or A3.

NOTHING!!

Parts man said no one had noticed this and he would contact Subaru of America for info.

Also noticed the bottle stated "Made in the USA" by Indemitsu. So I guess they have contracted out to an American refiner.

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#2080487 - 11/18/10 12:28 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: number_41]
AWDfreak Offline


Registered: 04/06/10
Posts: 45
Loc: SF Bay Area, CA (USA)
Originally Posted By: number_41
Inspected a quart bottle of Subaru Synthetic oil at the dealer's parts counter yesterday. Surprise!! This oil was not rated. No API SM (or new SN) and no ILSAC A1 or A3.

NOTHING!!

Parts man said no one had noticed this and he would contact Subaru of America for info.

Also noticed the bottle stated "Made in the USA" by Indemitsu. So I guess they have contracted out to an American refiner.


I think I've seen this exact post on subaruforester.org...

As for the bottle, same here, no certification listed. I've contacted Subaru of America regarding this new synthetic motor oil and am awaiting a response...
_________________________
MY2014 Subaru XV Crosstrek 5MT

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#2080512 - 11/18/10 12:55 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: number_41]
rshunter Offline


Registered: 02/02/09
Posts: 1921
Loc: Ohio,USA
Originally Posted By: number_41
Inspected a quart bottle of Subaru Synthetic oil at the dealer's parts counter yesterday. Surprise!! This oil was not rated. No API SM (or new SN) and no ILSAC A1 or A3.

NOTHING!!

Parts man said no one had noticed this and he would contact Subaru of America for info.

Also noticed the bottle stated "Made in the USA" by Indemitsu. So I guess they have contracted out to an American refiner.

No, Idemitsu has had a production facility in the Louisville, Kentucky metro area for nearly 20 years.
_________________________
'93 Eurovan CL, '99 Eurovan GLS, '00 Golf GLS TDI, '06 Raider DuroCross V8 Ext, '08 GTI DSG

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#2080540 - 11/18/10 01:16 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
Thermo1223 Offline


Registered: 04/18/05
Posts: 1786
Loc: Easton, PA
I really think you guys are looking for something to fear when it comes to 0w20.

NEWSFLASH!!!

AFE sounds no different in my Forester than T6 did atm.

Hasn't used any oil, feels the same at redline...yes I do drive the car like that.

There has only been 1 oil I wouldn't put back in this car and it was Amsoil 5w30...unsure of which. It did sound harsh and unrefined with that.

The use of a 20 weight for the new chain driven engine I bet has a lot to do with flow to the timing chain itself. It is an odd shaped motor even more so with the heads, maybe at operating temp the 30 was shown to resist flowing as freely as they intended.

Or a big surprise they tighten up tolerances so a lighter oil can give a slight boost in efficiency, nothing like progress.


Edited by Thermo1223 (11/18/10 01:16 PM)
_________________________
2004 - Jetta Wagon TDI - Gone
2009 - Subaru Forester XT - 4AT 5k OCI
2014 - Scion xD - 4AT Toyota Care

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#2080603 - 11/18/10 02:24 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
AWDfreak Offline


Registered: 04/06/10
Posts: 45
Loc: SF Bay Area, CA (USA)
I just got word from Subaru of America's online customer service (via email).

"All Subaru Synthetic Motor Oil is licensed by the American Petroleum Institute(API) as Energy Conserving SM for Gasoline Engines and GF-4 ILSAC rated. Yes, Idemitsu is the supplier of the Subaru Synthetic Motor Oil."
_________________________
MY2014 Subaru XV Crosstrek 5MT

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#2080621 - 11/18/10 02:53 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
AWDfreak - Are you sure you didn't see that info on nasioc? I actually posted it this morning recalling number_41's post above. smile It's good that SoA responded. You should ask for the PDS and MSDS. I wonder when it will be reformulated for SN/GF5?

I had no idea that Idemitsu had a U.S. facility! I suppose it's for the Mazda oil.??

Thermo - Plenty of people of used xW-20 in n/a and turbo Subarus for years. Your M1 0W-30 is a good example. smile The only oil that made a difference to me in engine sound is Red Line. I've never actually noticed a difference in sound from thin 30 grades to 40 grades.

Still waiting for a VOA/UOA. Too many people running GC and RT6 to give this stuff a chance, I suppose.



-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2080705 - 11/18/10 04:23 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
Thermo1223 Offline


Registered: 04/18/05
Posts: 1786
Loc: Easton, PA
Ya I'm sure it was a lesser grade Amsoil that did it, harsh harsh harsh...liked it sheared to nothing in 500 miles.

Maybe I'll treat BITOG...and find some locally and give it a look see. smile
_________________________
2004 - Jetta Wagon TDI - Gone
2009 - Subaru Forester XT - 4AT 5k OCI
2014 - Scion xD - 4AT Toyota Care

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#2080906 - 11/18/10 08:24 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
AWDfreak Offline


Registered: 04/06/10
Posts: 45
Loc: SF Bay Area, CA (USA)
Originally Posted By: bluesubie
AWDfreak - Are you sure you didn't see that info on nasioc? I actually posted it this morning recalling number_41's post above. smile It's good that SoA responded. You should ask for the PDS and MSDS. I wonder when it will be reformulated for SN/GF5?

I had no idea that Idemitsu had a U.S. facility! I suppose it's for the Mazda oil.??

Thermo - Plenty of people of used xW-20 in n/a and turbo Subarus for years. Your M1 0W-30 is a good example. smile The only oil that made a difference to me in engine sound is Red Line. I've never actually noticed a difference in sound from thin 30 grades to 40 grades.

Still waiting for a VOA/UOA. Too many people running GC and RT6 to give this stuff a chance, I suppose.



-Dennis


If you want to ask Subaru of America any questions, this is their online contact form:

https://www.subaru.com/shopping-tools/contact-us.html

Hope you ask them many questions regarding their Synthetic Motor Oil, I'm curious as to how good this oil is.
_________________________
MY2014 Subaru XV Crosstrek 5MT

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#2080958 - 11/18/10 09:11 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
rshunter Offline


Registered: 02/02/09
Posts: 1921
Loc: Ohio,USA
Originally Posted By: bluesubie
I had no idea that Idemitsu had a U.S. facility! I suppose it's for the Mazda oil.??

-Dennis

The rotary specific pre-mix and motor oils are the only products that they actively promote under the Idemitsu label, in the US market. The primary purpose of the US production facility is to supply the OE-fill and private-label products to their Japanese automaker clients' US assembly plants and dealer networks. Chances are good that your car rolled out of Lafayette with Idemitsu products in it.
_________________________
'93 Eurovan CL, '99 Eurovan GLS, '00 Golf GLS TDI, '06 Raider DuroCross V8 Ext, '08 GTI DSG

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#2080989 - 11/18/10 09:46 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: rshunter]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
Originally Posted By: rshunter
Originally Posted By: bluesubie
I had no idea that Idemitsu had a U.S. facility! I suppose it's for the Mazda oil.??

-Dennis

The rotary specific pre-mix and motor oils are the only products that they actively promote under the Idemitsu label, in the US market. The primary purpose of the US production facility is to supply the OE-fill and private-label products to their Japanese automaker clients' US assembly plants and dealer networks. Chances are good that your car rolled out of Lafayette with Idemitsu products in it.


Oh, ok. My car, as well as all Imprezas, are actually built in Gunma, Japan. Legacy's and Tribeca's are built in Lafayette. banana

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2081041 - 11/18/10 10:47 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
rshunter Offline


Registered: 02/02/09
Posts: 1921
Loc: Ohio,USA
Originally Posted By: bluesubie
Oh, ok. My car, as well as all Imprezas, are actually built in Gunma, Japan. Legacy's and Tribeca's are built in Lafayette. banana

-Dennis

Heh, I didn't even pay attention to what model you had, though it would have certainly helped. But hey, you forgot the Outback... bop





LOL
_________________________
'93 Eurovan CL, '99 Eurovan GLS, '00 Golf GLS TDI, '06 Raider DuroCross V8 Ext, '08 GTI DSG

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#2177141 - 02/21/11 09:02 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
wlyszkow Offline


Registered: 09/23/09
Posts: 139
Loc: Poland
Nice can available in Russia:
http://www.japanoil-ural.ru/index.php?mod=3&idtov=339
Only for SOHC engines. Very high VI if values of KV are correct (10,27cSt at 100C is too much for 20 weight).
_________________________
Toyota Avensis 1.8 Valvematic MY14
Alfa Romeo Giulietta 1.4 MultiAir Turbo Benzina MY10

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#2177241 - 02/21/11 11:06 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: wlyszkow]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
Originally Posted By: wlyszkow
Nice can available in Russia:
http://www.japanoil-ural.ru/index.php?mod=3&idtov=339
Only for SOHC engines. Very high VI if values of KV are correct (10,27cSt at 100C is too much for 20 weight).

Thanks wlyszkow. While some people in North America are shocked that Subaru of America now specs a 20 grade, Subaru in European countries have been speccing it in some engines for several years now.

drive
-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2177285 - 02/21/11 11:43 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada
If that viscosity is correct at 10.27, it ain't no 20 weight grin2
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#2177338 - 02/21/11 12:30 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: Captain_Klink]
Ken2 Offline


Registered: 12/02/02
Posts: 6258
Loc: Washington St.
Originally Posted By: Captain_Klink
i've been using 50:50 synthetic 5w30 : conventional 5w20 in my Subaru for a couple of years already. after reading Dr. Haus's article on oil here, it makes sense: the problem with oil, is that it is too thick.
Dr. Ali E. Haas is a cosmetic plastic surgeon, not a mechanical engineer nor a tribologist. He probably knows more about skin oil than engine oil. The necessary viscosity of oil is more related to the bearing clearances than the flow rate. In the writings of his that I've read, I've seen nothing about the hydrodynamic wedge of oil in a journal bearing. This is what keeps the parts separate, not the oil flow. Flow is necessary to make up for leakage, carry away heat and debris, but not to keep the parts from touching.
_________________________
Every gun that is made, every warship launched..a theft from those who hunger and are not fed, those who are cold and not clothed.
Gen. Eisenhower


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#2177346 - 02/21/11 12:38 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
webfors Offline


Registered: 06/06/06
Posts: 3739
Loc: Ontario, Canada
30 weights are the new universal viscosity!!

If I had a new Subaru FB25, it would be fed the same oil I'm giving my current EJ25, within a reasonable OCI of course. I see no reason for a 20 weight being the only viscosity acceptable for this new engine when the difference in viscosity between a 20 and 30 weight is marginal at most points in time during the OCI IMO.

IMO the 0w20 viscosity recommendation is more about recommending an excellent cold weather pumping synthetic oil, which also makes sense for extended OCIs.

I wonder what Subaru Canada mandated OCIs will be for the FB25.. anyone know? Or am I forgetting that we covered that already in this thread?... grin2
_________________________
08 Forester 5mt, AFE 0w30, XG7317
13 Dodge GC, VWB 5w20, Mopar OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#2177496 - 02/21/11 03:45 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bluesubie]
wlyszkow Offline


Registered: 09/23/09
Posts: 139
Loc: Poland
Originally Posted By: bluesubie
Originally Posted By: wlyszkow
Nice can available in Russia:
http://www.japanoil-ural.ru/index.php?mod=3&idtov=339
Only for SOHC engines. Very high VI if values of KV are correct (10,27cSt at 100C is too much for 20 weight).

Thanks wlyszkow. While some people in North America are shocked that Subaru of America now specs a 20 grade, Subaru in European countries have been speccing it in some engines for several years now.

drive
-Dennis

0W-20 is not popular in Europe - in fact almost unavailable and expensive - in EU people like ACEA A3/B4 specs best with HTHS > 3,5cP even where not necessary/recommended.
The problem is that in Poland we currently have another freeze winter ~0F (for 3-4 months) and even 5W-30 is too heavy for quite a long time in the morning - next winter I'm going to use 0W-20 in my Tribeca - e.g AMSOIL ASM if I get it.
_________________________
Toyota Avensis 1.8 Valvematic MY14
Alfa Romeo Giulietta 1.4 MultiAir Turbo Benzina MY10

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#2177516 - 02/21/11 04:14 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
bluesubie Offline


Registered: 08/04/03
Posts: 1880
Loc: NJ
There's also Motul Eco-Lite 0W-20, if you can get that.

-Dennis
_________________________
'04 Subaru Forester 2.5XT
Pennzoil Ultra Euro 5W-40

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#2177975 - 02/22/11 03:26 AM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
wlyszkow Offline


Registered: 09/23/09
Posts: 139
Loc: Poland
I know there is Motul, M1 and Redline also but I suppose AMSOIL ASM has best HTHS (not at the lowest limit of 2,6 - my opinion), best Noack and highest TBN - so, I'll try to get AMSOIL first.

Regards,
Wojciech
_________________________
Toyota Avensis 1.8 Valvematic MY14
Alfa Romeo Giulietta 1.4 MultiAir Turbo Benzina MY10

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#2380923 - 09/18/11 05:11 PM Re: Subaru now recommends Synthetic, some 0W-20. [Re: bodeh6]
lopek77 Offline


Registered: 09/05/11
Posts: 5
Loc: mi
Some people are asking who makes Subaru branded oil...here is your answer : "In 2010, Subaru of America partnered with Idemitsu Lubricants America Corporation in Jeffersonville, IN to prepare Subaru-branded synthetic motor oil for applications in the new FB four-cylinder engine and in turbocharged engines. Researching and formulating Subaru engine-specific 0W-20 and 5W-30 synthetic motor oil ensures quality, performance, and ultimately, customer satisfaction." http://www.apolloamerica.com/index.htm http://en.m.wikipedia.org/wiki/Idemitsu_Kosan

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