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Subaru/0W20/5000/8000 #4657429
02/05/18 09:04 PM
02/05/18 09:04 PM
Joined: Jan 2018
Posts: 16
San Diego CA
2zrVios Offline OP
2zrVios  Offline OP
Joined: Jan 2018
Posts: 16
San Diego CA
Here is my first sample on my 2018 Subaru Forester, using whatever oil they have at the dealership. I did a break-in oil change at 1000, then another at 3000. Blackstone mentioned usual break-in metals still, but to push out to 7,500 mile intervals.


OIL Subaru0w20
MILES IN USE 5k
MILES 8k
SAMPLE TAKEN 1/6/18

ALUMINUM 5
CHROMIUM 0
IRON 9
COPPER 10
LEAD 0
TIN 0
MOLYBDENUM 104
NICKEL 0
MANGANESE 1
SILVER 0
TITANIUM 1
POTASSIUM 1
BORON 122
SILICON 46
SODIUM 3
CALCIUM 2026
MAGNESIUM 12
PHOSPHORUS 754
ZINC 836
BARIUM 0

INSOLUBLES TR
WATER 0
FLASHPOINT F 430
SUS VIS 210F 52.1
cSt @ 212F 7.92

Re: Subaru/0W20/5000/8000 [Re: 2zrVios] #4657466
02/05/18 09:52 PM
02/05/18 09:52 PM
Joined: Mar 2017
Posts: 6,506
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 6,506
...
Even though this has minimal miles this uoa looks very good for a breaking in Subaru engine.


Cannot see signatures any longer so it doesn’t matter.
Re: Subaru/0W20/5000/8000 [Re: PimTac] #4657509
02/05/18 10:54 PM
02/05/18 10:54 PM
Joined: Jan 2018
Posts: 16
San Diego CA
2zrVios Offline OP
2zrVios  Offline OP
Joined: Jan 2018
Posts: 16
San Diego CA
Originally Posted By: PimTac
Even though this has minimal miles this uoa looks very good for a breaking in Subaru engine.


Oh thats good news, I've seen all types of Subaru Chain-drive engine issues on the forums. Seeing copper and Iron slightly higher than standards had me nervous, I had NO IDEA it takes this long for the break-in metals to dissipate.

How do people take new cars straight to a racetrack?!

Re: Subaru/0W20/5000/8000 [Re: 2zrVios] #4657589
02/06/18 05:38 AM
02/06/18 05:38 AM
Joined: Mar 2004
Posts: 21,115
Upstate NY
Donald Online content
Donald  Online Content
Joined: Mar 2004
Posts: 21,115
Upstate NY
Copper and Silicon look high to me. But could be bearing break-in and gasket sealer.

One analysis a trend does not make.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Subaru/0W20/5000/8000 [Re: 2zrVios] #4657591
02/06/18 05:40 AM
02/06/18 05:40 AM
Joined: Mar 2004
Posts: 21,115
Upstate NY
Donald Online content
Donald  Online Content
Joined: Mar 2004
Posts: 21,115
Upstate NY
I am using NAPA synthetic oil and shoot for 6k mile OCI in both of my Subaru cars. That ends up being between 6k and 7k miles.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Subaru/0W20/5000/8000 [Re: 2zrVios] #4658604
02/06/18 11:54 PM
02/06/18 11:54 PM
Joined: Nov 2017
Posts: 381
North of you Idaho
KneeGrinder Online content
KneeGrinder  Online Content
Joined: Nov 2017
Posts: 381
North of you Idaho
I would have thought Subaru would have got on board with the lowered calcium like Dexos gen2 now that most, or all of their motors use timing chains.

Pennzoil still suggests non dexos oils for my timing chain subie.


08 Tribeca 86k PUP 5w30 wix
06 Accord Hybrid 134k PPHM 0w20 wix
02 Chevy k3500 99k Delvac 1 esp 5w40 wix
00 F350 136k Delvac 1300 15w40 wix
Re: Subaru/0W20/5000/8000 [Re: KneeGrinder] #4659473
02/07/18 08:13 PM
02/07/18 08:13 PM
Joined: Jan 2018
Posts: 16
San Diego CA
2zrVios Offline OP
2zrVios  Offline OP
Joined: Jan 2018
Posts: 16
San Diego CA
Originally Posted By: KneeGrinder
I would have thought Subaru would have got on board with the lowered calcium like Dexos gen2 now that most, or all of their motors use timing chains.

Pennzoil still suggests non dexos oils for my timing chain subie.


What effect would a Dexos oil have?

Re: Subaru/0W20/5000/8000 [Re: 2zrVios] #4659641
02/08/18 02:11 AM
02/08/18 02:11 AM
Joined: Nov 2017
Posts: 381
North of you Idaho
KneeGrinder Online content
KneeGrinder  Online Content
Joined: Nov 2017
Posts: 381
North of you Idaho
High levels of calcium have been reduced to meet GM's dexos gen2 oil spec to combat or stop low speed pre ignition, and also lower calcium has been proven to be more "gentle" to timing chains, as most if not all GM's have timing chains now. Hence GM's newest oil spec "Dexos Gen2"


08 Tribeca 86k PUP 5w30 wix
06 Accord Hybrid 134k PPHM 0w20 wix
02 Chevy k3500 99k Delvac 1 esp 5w40 wix
00 F350 136k Delvac 1300 15w40 wix
Re: Subaru/0W20/5000/8000 [Re: 2zrVios] #4659740
02/08/18 07:12 AM
02/08/18 07:12 AM
Joined: Aug 2003
Posts: 2,306
NJ
bluesubie Offline
bluesubie  Offline
Joined: Aug 2003
Posts: 2,306
NJ
Subaru is slow with oil updates. They were very late on SN availability for the Subaru/Idemitsu oil and Subaru Japan still allows high SAPS Euro 5W-40 and 0W-30 in DIT's.


'04 Subaru Forester 2.5XT
Castrol Edge High Mileage

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