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2005 Forester #4538432
10/09/17 07:39 PM
10/09/17 07:39 PM
Joined: Oct 2017
Posts: 146
USA
HowAboutThis Offline OP
HowAboutThis  Offline OP
Joined: Oct 2017
Posts: 146
USA
I tried doing a search but didn't find much. Any advice based on data for dino vs syn OCIs for a 2005 Forester? Driven about 80 miles per day, mostly highway. I typically run a Subaru filter and PP or Napa syn for 7-8k. Anyone going farther? Also found some dino on sale (Chevron) and might try a 5-7k interval with that. Opinions?

Re: 2005 Forester [Re: HowAboutThis] #4538463
10/09/17 08:10 PM
10/09/17 08:10 PM
Joined: Oct 2009
Posts: 3,207
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,207
Wet side WA
I believe that some Subaru's had a problem with some of their vehicles on the 7500K OCI and have dropped them back to 6K. But there is a lot of good synthetic out there on sale I would pay the hundredths of cents a mile more and stay with the full synthetic.


2004 Corolla 124642
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: 2005 Forester [Re: JohnnyJohnson] #4538476
10/09/17 08:24 PM
10/09/17 08:24 PM
Joined: Nov 2011
Posts: 4,850
MTL, CANADA
Rolla07 Online content
Rolla07  Online Content
Joined: Nov 2011
Posts: 4,850
MTL, CANADA
Originally Posted By: JohnnyJohnson
I believe that some Subaru's had a problem with some of their vehicles on the 7500K OCI and have dropped them back to 6K. But there is a lot of good synthetic out there on sale I would pay the hundredths of cents a mile more and stay with the full synthetic.


Agree. Especially if on sale. Only way to know is whether u do a UOA, if not keep it at 7500.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: 2005 Forester [Re: HowAboutThis] #4538484
10/09/17 08:33 PM
10/09/17 08:33 PM
Joined: Jun 2015
Posts: 4,225
New England
Virtus_Probi Offline
Virtus_Probi  Offline
Joined: Jun 2015
Posts: 4,225
New England
Is this an XT?


2014 Forester XT, 86000 miles
Last Change;
M1 5W30 d1G2
Tokyo Roki 15208AA170 filter
Re: 2005 Forester [Re: Rolla07] #4538497
10/09/17 08:44 PM
10/09/17 08:44 PM
Joined: Oct 2017
Posts: 146
USA
HowAboutThis Offline OP
HowAboutThis  Offline OP
Joined: Oct 2017
Posts: 146
USA
Yeah, it doesn't say syn required and says 3750 or 7500. I've thought of the 15k M1 Extended Performance. I'll probably do 6 month changes and about 10k miles with PP or M1EP. Not sure I'd trust others for that mileage. It already had the new head gasket and the AWD is acting wonky.

Re: 2005 Forester [Re: HowAboutThis] #4538499
10/09/17 08:46 PM
10/09/17 08:46 PM
Joined: Oct 2017
Posts: 146
USA
HowAboutThis Offline OP
HowAboutThis  Offline OP
Joined: Oct 2017
Posts: 146
USA
XS not the turbo. Wouldn't run the turbo that long for sure!!!

Re: 2005 Forester [Re: HowAboutThis] #4538504
10/09/17 08:51 PM
10/09/17 08:51 PM
Joined: Oct 2009
Posts: 3,207
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,207
Wet side WA
Originally Posted By: HowAboutThis
Yeah, it doesn't say syn required and says 3750 or 7500. I've thought of the 15k M1 Extended Performance. I'll probably do 6 month changes and about 10k miles with PP or M1EP. Not sure I'd trust others for that mileage. It already had the new head gasket and the AWD is acting wonky.


At what mileage did you have to replace the head gasket and what is the current mileage?


2004 Corolla 124642
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: 2005 Forester [Re: HowAboutThis] #4538667
10/10/17 03:44 AM
10/10/17 03:44 AM
Joined: Jan 2017
Posts: 331
Texas,USA
ATex7239 Offline
ATex7239  Offline
Joined: Jan 2017
Posts: 331
Texas,USA
Originally Posted By: HowAboutThis
Yeah, it doesn't say syn required and says 3750 or 7500. I've thought of the 15k M1 Extended Performance. I'll probably do 6 month changes and about 10k miles with PP or M1EP. Not sure I'd trust others for that mileage. It already had the new head gasket and the AWD is acting wonky.


Don't let certain Subaru fans hear that! I mentioned head gaskets issues in another thread and the mob promptly called for my lynching.


'12 Buick Enclave 139,xxx
Valvoline ML SynBlend 5w30
ACDelco PF63E

'17 Ford Fusion (Company Lease) 42,xxx
Oil Don't know
Filter Don't care
Re: 2005 Forester [Re: ATex7239] #4538677
10/10/17 04:46 AM
10/10/17 04:46 AM
Joined: Feb 2009
Posts: 1,578
wv
krismoriah72 Offline
krismoriah72  Offline
Joined: Feb 2009
Posts: 1,578
wv
I bought my wife one a few years back..since my 2001 has been drop dead reliable. Hers developed a piston slap that is common to those EJ25s and we just couldnt bear it anymore and sold it.

It sounds like this vehicle is somewhat new to you so i would ease into extended drains till you see what you have.

Re: 2005 Forester [Re: HowAboutThis] #4538713
10/10/17 06:23 AM
10/10/17 06:23 AM
Joined: Apr 2009
Posts: 220
Reno, Nevada
Langanobob Offline
Langanobob  Offline
Joined: Apr 2009
Posts: 220
Reno, Nevada
I'd make sure that I used the Subaru brand head gasket sealer that Subaru dealers sell. It might minimize the risk of another head gaskets replacement.

Re: 2005 Forester [Re: HowAboutThis] #4538847
10/10/17 08:58 AM
10/10/17 08:58 AM
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
thorromig Offline
thorromig  Offline
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
Have a good friend that has a 2005 Baja 2.5L NA with approx. 80 thousand original miles that I have serviced since 2007 with oil/filter changes. We have found that running a synthetic 5W30 paired with Fram Ultras running 4000 mile intervals has treated this motor great. We do use the FU for multiple oil changes I wanna clarify. Initially we were running conventional 5W30 oil & it consumed half to a quart of oil between 4000 mile interval changes. When switched to synthetic for some reason -- consumption stopped immediately?? This car is short tripped 90% of the time & thats why the oil change interval of 4000 miles is sufficient we find. Actually running ST.Synthetic 5w30 at this moment that I purchased for $12.00 a 5 quart jug months & months ago at Wally World on sale. She was actually thinking of trading in the car on a new Subaru here lately & I told her that she is crazy & would just be wasting her money. Her Baja is garage kept, pretty rare, & we know just what & how maintenance has been performed since day one. She bought the car brand new & with its low mileage -- I want her to save her money until it becomes a problem or money pit for her.


00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)
Re: 2005 Forester [Re: HowAboutThis] #4538896
10/10/17 09:46 AM
10/10/17 09:46 AM
Joined: Aug 2003
Posts: 2,296
NJ
bluesubie Offline
bluesubie  Offline
Joined: Aug 2003
Posts: 2,296
NJ
With some google searches, you may be able to find some old n/a EJ Subaru uoa's here. There were some on conventional running to about 8k, IIRC, and there have been some synthetic uoa's anywhere from 10-15k miles. BITOG user Al has some 10-12k (IIRC) oci's on Wal Mart Super Tech in an n/a Forester.

Personally, I used Pennzoil conventional High Mileage or Valvoline Max Life in a 1999 Outback and 2000 2.5RS anywhere from 6-8k mile intervals. I only did one or two random uoa's and they were fine. Regardless of the uoa, the max that you should run the OEM filter for is 7,500 miles.


'04 Subaru Forester 2.5XT
Castrol Edge High Mileage
Re: 2005 Forester [Re: HowAboutThis] #4538901
10/10/17 09:50 AM
10/10/17 09:50 AM
Joined: May 2012
Posts: 1,333
Winchester, Indiana
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,333
Winchester, Indiana
I like the Baja too but I would sell it for a Forester. For some reason, Baja's sell for waaaay more than they should be worth, for a 12-year-old chick-up truck.

NA Subaru EJ25s are fine on dino or synthetic, and do not have the 3750 or 6k recommendation. Some do consume less oil on syn, so your choice there. If you are looking for ultimate inexpensiveness and live near a Rural King (or partner), pick up the Harvest King full synthetic (Dexos1 approved) 5W-30, a Fram XG3593A, and change the oil every 5k and the filter every 10k. These engines with decent oil and maintenance will make 300k easy with timing belt changes on time. My 01 Forester is at 220k and will still get 27.5mpg over a full tank, and uses maybe 1/2 cup over a 5k interval. Other than the long-ago-resolved HG issue on 1998-2003 EJ25s, the NA versions are anvils.

Subaru Coolant Conditioner is the official name of the additive, it is a rebranded Holt's Radweld.

Re: 2005 Forester [Re: HowAboutThis] #4538905
10/10/17 09:54 AM
10/10/17 09:54 AM
Joined: Aug 2003
Posts: 10,774
Buffalo, NY
JTK Offline
JTK  Offline
Joined: Aug 2003
Posts: 10,774
Buffalo, NY
With this type of driving, an EJ253 will live a long happy life on 7500 OCIs with conventional 5w30. Will it be better off on full synthetic? Who knows. Maybe for extreme cold starts. The drop to a 6000 mile OCI recommendation was for the newer FB series engines where oil consumption was more prevalent.


2017 Ram 1500 4x4, 3.6L. 2016 Nissan Quest SV (Babe magnet IV)
Re: 2005 Forester [Re: SubieRubyRoo] #4539071
10/10/17 12:32 PM
10/10/17 12:32 PM
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
thorromig Offline
thorromig  Offline
Joined: Mar 2012
Posts: 804
BerksCounty/Pa.
I like the chick-up truck comment. I will have to tell Bev that one, she will laugh. Its due for an oil change again & I think im gonna run the Quaker State Syn Blend High Mileage 5W30 in it this run; I see they have it priced at my Wall World for $15.44 plus tax for the 5 quart jug. We run the Chevron Techron Fuel System Cleaner every 3000 miles also for routine maintenance due to her running strictly cheap 87 octane gas at "all" times.


00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)
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