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Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX #2682302
07/12/12 10:42 PM
07/12/12 10:42 PM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
Decided to get a UOA on my 2011 WRX at ~15k miles (fourth fill, I did the first at around 1500 miles, the second at around 5000, and around 5000 mile OCIs since). My goals here were to establish a baseline for future UOAs and to gauge how well the oil holds up to 5000 miles OCIs -- the new factory recommendation is 7500 miles on synthetic but that seems too long to me and I wanted to see whether 5000 miles would be conservative or not. Looks somewhat conservative I'd say, but I still don't think I'd want to do 7500.

The car has had Subaru branded 5w30 syn with OEM filters (Honeywell) every OCI. At my dealership, this oil is essentially the same price as the normal price for a decent synthetic at local stores. That, combined with the fact that the OEM filter tends to be recommended (high bypass valve spec) and dealership receipts are probably convenient if I need warranty work made me decide to stick w/ the Subaru oil. After this analysis I'd say I'm comfortable with that choice!

My commute is mostly highway so the car generally gets good and warm, but I'm not shy about the throttle after it's warmed up, and the turbo gets a decent workout on a long steep grade every day. I've gotta say this is better than I was expecting for a turbo engine at only 15k miles. There's a lot of talk on Subaru forums about how 5w30 energy conserving oil isn't good enough for these cars and lots of talk about running Rotella T6 5w-40 (which is not technically allowed by the owners manual anymore) but it looks like this oil is doing fine for my situation.


Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2682351
07/12/12 11:35 PM
07/12/12 11:35 PM
Joined: Jun 2010
Posts: 4,574
Merritt Island FL, USA
chubbs1 Offline
chubbs1  Offline
Joined: Jun 2010
Posts: 4,574
Merritt Island FL, USA
Wow, have to say this looks like it's gonna be a great engine for years to come! Really NICE, thanks for the UOA.


'12 Charger SXT
QSUD 5w30 OEM filter

'12 Charger SXT
Edge FST EP 5w30 OEM (Mine;)

'11 Hyundai Sonata GLS
QSUD 5w20 OEM Filter

Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2682362
07/12/12 11:53 PM
07/12/12 11:53 PM
Joined: Jul 2005
Posts: 8,837
Maricopa, AZ
dave1251 Offline
dave1251  Offline
Joined: Jul 2005
Posts: 8,837
Maricopa, AZ
Should push for XW40 weight oil. This 30 grade stuff is too light look at the single digit wear numbers that light stuff is destroying your engine!


make the inside of your engine oil cap white.
don't use.
Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2682371
07/13/12 12:04 AM
07/13/12 12:04 AM
Joined: Apr 2010
Posts: 13,534
Chicago, IL
dparm Offline
dparm  Offline
Joined: Apr 2010
Posts: 13,534
Chicago, IL
Absolutely sufficient, but there will always be nay-sayers.


2017 Chevrolet Corvette Grand Sport
Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: chubbs1] #2682385
07/13/12 12:55 AM
07/13/12 12:55 AM
Joined: Jan 2010
Posts: 2,264
Texas
Texan4Life Offline
Texan4Life  Offline
Joined: Jan 2010
Posts: 2,264
Texas
Originally Posted By: chubbs1
Wow, have to say this looks like it's gonna be a great engine for years to come! Really NICE, thanks for the UOA.


+1 I was expecting to see wear above the uni avg since it only has 15k. But it seems to have settled in nicely, might even tick down a ppm here or there.


2005 Dodge Ram 1500, 5.7L
[Current Fill: PP 0w-20][Baldwin B2-HPG]
Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2682404
07/13/12 02:48 AM
07/13/12 02:48 AM
Joined: Aug 2010
Posts: 5,675
WatUpDoc
ltslimjim Offline
ltslimjim  Offline
Joined: Aug 2010
Posts: 5,675
WatUpDoc
Can't beat this with a stick on drugs.


92 Civic Hatch (stolen frown RIP)
07 Honda Fit Sport (A/T) WELCOME thumbsup
Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2682663
07/13/12 10:34 AM
07/13/12 10:34 AM
Joined: Nov 2003
Posts: 1,548
WA
Finklejag Offline
Finklejag  Offline
Joined: Nov 2003
Posts: 1,548
WA
Looks good. Those numbers look off though. The Calcium and Zinc are too high. Blackstone error again? I would assume this is a SN rated oil now?

Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: Finklejag] #2682679
07/13/12 10:50 AM
07/13/12 10:50 AM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
Originally Posted By: Finklejag
Looks good. Those numbers look off though. The Calcium and Zinc are too high. Blackstone error again? I would assume this is a SN rated oil now?


I can verify when I get home but I'm pretty sure it's still SM (on the bottle at least). Are you saying you'd expect the Calcium and Zinc to be lower if it were SN?

Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2682710
07/13/12 11:16 AM
07/13/12 11:16 AM
Joined: Nov 2003
Posts: 1,548
WA
Finklejag Offline
Finklejag  Offline
Joined: Nov 2003
Posts: 1,548
WA
Zinc can't be higher then 868 in SN oil. The few Subaru 5W-30 UOA's I have seen show the Calicum around 2200-2500, and Zinc 900<. Here are a few Subaru 5W-30 UOA's

UOA


Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2683440
07/14/12 12:13 AM
07/14/12 12:13 AM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
Confirmed this is still an SM oil (the bottles I have, at least). The Edge 5w30 I drained from my friend's Mazdaspeed3 ( http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2682301#Post2682301 ) is an SN but it still has 940 PPM zinc in that sample. The calcium and magnesium numbers are pretty different between the two oils, though. Mine looks pretty much like the other ones you posted in that regard (calcium, zinc, magnesium).

Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: dave1251] #2683441
07/14/12 12:14 AM
07/14/12 12:14 AM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
Originally Posted By: dave1251
Should push for XW40 weight oil. This 30 grade stuff is too light look at the single digit wear numbers that light stuff is destroying your engine!


I know! I was thinking more along the lines of 10w60 though!

Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2684512
07/15/12 10:47 AM
07/15/12 10:47 AM
Joined: Jan 2003
Posts: 1,829
Pac NW
Norm Olt Offline
Norm Olt  Offline
Joined: Jan 2003
Posts: 1,829
Pac NW
Now THIS 5W-30 is a "light" (read as "good!") oil but some other 5W-30's are all "too heavy" (read as "bad!")...

According to some.

Cheers!

p.s. Great results, though.


14Outback 10K
01ValkyrieIS 6K
93ZX11D 30K
87F250 185K
88420SEL 178K
88420SEL 212K (parts)
91420SEL 235K
92SVX 182K
00Nighthawk250 1.5K
93SC400 105K
85F150 104K
Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2685870
07/16/12 04:55 PM
07/16/12 04:55 PM
Joined: Aug 2003
Posts: 2,296
NJ
bluesubie Offline
bluesubie  Offline
Joined: Aug 2003
Posts: 2,296
NJ
Yes, very good results for the Subaru oil IMO. I've seen an n/a Outback uoa where the oil was already spent at less than 4k miles. It will be interesting to see trending data if you continue to do uoa's because there are only a handful of people running Energy/Resource Conserving oil and not more than two or three consecutive uoa's, IIRC.

If the zinc numbers are off, hopefully the good wear numbers are not!

Good luck!

-Dennis


'04 Subaru Forester 2.5XT
Castrol Edge High Mileage
Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: bluesubie] #2686069
07/16/12 07:40 PM
07/16/12 07:40 PM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
Originally Posted By: bluesubie
It will be interesting to see trending data if you continue to do uoa's because there are only a handful of people running Energy/Resource Conserving oil and not more than two or three consecutive uoa's, IIRC.


I think I know what you mean, but I'm sure the vast majority of people with these engines are running energy conserving oils, even if they don't know it. Just not getting UOAs smile Maybe I'll try to get a UOA every 10 or 15k miles.

I'm still not getting the fuss over the zinc though. It looks fairly high in the other UOAs too although admittedly only over 1000 in the older samples.

Re: Subaru Syn 5w30 - 5221 mi - 2011 Subaru WRX [Re: rationull] #2686101
07/16/12 08:12 PM
07/16/12 08:12 PM
Joined: Aug 2003
Posts: 2,296
NJ
bluesubie Offline
bluesubie  Offline
Joined: Aug 2003
Posts: 2,296
NJ
Originally Posted By: rationull
Originally Posted By: bluesubie
It will be interesting to see trending data if you continue to do uoa's because there are only a handful of people running Energy/Resource Conserving oil and not more than two or three consecutive uoa's, IIRC.


I think I know what you mean, but I'm sure the vast majority of people with these engines are running energy conserving oils, even if they don't know it. Just not getting UOAs smile Maybe I'll try to get a UOA every 10 or 15k miles.

I'm still not getting the fuss over the zinc though. It looks fairly high in the other UOAs too although admittedly only over 1000 in the older samples.

Yep, I agree. Lots of folks running EC oils that get their cars serviced at dealers.

I think the fuss is that Blackstone has developed sort of a reputation of zinc levels testing different than they actually are. Over on the Outback forum I pointed out in a uoa thread that someone's RT6 zinc and phosphorus levels came back too low. They had it retested and the additive levels came back 10-20% higher across the board. In your uoa, the zinc is actually higher than allowed so either the uoa is off or there's too much zinc in the oil.

-Dennis


'04 Subaru Forester 2.5XT
Castrol Edge High Mileage
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