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Old 07-27-2011, 06:28 PM   #26
jay25RS
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Quote:
Originally Posted by bluesubie
Wear is nice and it sheared to a 30 grade. Maybe when your break-in wear settles down your oil will stay in grade. I guess no TBN?

-Dennis
No TBN this time. Maybe next one. Although I don't put that many miles on my oil between intervals at all. (Cheap insurance)
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Old 07-27-2011, 09:32 PM   #27
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I keep hoping to see a uoa on Energy Conserving 5W-30 with a 7,500 mile interval. Can't find any guinea pigs though. Of course it will shear to a 20 grade, but I'm curious about lead and other wear. The only one that rings a bell is posted in the IWSTI.com uoa thread. There's a decent short uoa on the old Castrol Edge, but lead shot up when he extended it close to 7,500 miles (older Model Year STi).

Oh, a TBN isn't only for people that want to do extended intervals. In severe conditions (i.e. a Subaru turbo), TBN can be low with some oils on short intervals.

-Dennis
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Old 07-27-2011, 10:36 PM   #28
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I think the factory fill is different from the Idemitsu stuff that is offered here. Check out this UOA and let me know what you think. Also I think you have found your test mule. He wants to go to 6000 miles on the Subaru Synthetic.


http://forums.nasioc.com/forums/show...+7500+interval
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Old 07-27-2011, 11:16 PM   #29
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Quote:
Originally Posted by bluesubie View Post
I keep hoping to see a uoa on Energy Conserving 5W-30 with a 7,500 mile interval. Can't find any guinea pigs though. Of course it will shear to a 20 grade, but I'm curious about lead and other wear. The only one that rings a bell is posted in the IWSTI.com uoa thread. There's a decent short uoa on the old Castrol Edge, but lead shot up when he extended it close to 7,500 miles (older Model Year STi).

Oh, a TBN isn't only for people that want to do extended intervals. In severe conditions (i.e. a Subaru turbo), TBN can be low with some oils on short intervals.

-Dennis
Castrol has like 10 different edges now, lol, but seriously, The Edge w/a titanium molecule, 10bucks a quart now, Amsoil prices!, heard they did that for Modern engines like the R8 , GT-R, Lambo's.. I tried it in my n/a, seems to work as a good "high mileage" oil as well. If i could afford MOTUL 10-30 in my WRX all the time i would just use that..
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Old 07-28-2011, 07:59 AM   #30
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Quote:
Originally Posted by Daijoubo-yo
I think the factory fill is different from the Idemitsu stuff that is offered here. Check out this UOA and let me know what you think. Also I think you have found your test mule. He wants to go to 6000 miles on the Subaru Synthetic.

http://forums.nasioc.com/forums/show...+7500+interval
The factory fill is definitely different unfortunately. Someone on the Forester board sent me an email exchange with a technical rep from Idemitsu Lubricants of America. Some of us had been curious because Idemitsu's Toyota and Honda oils have crazy high amounts of moly. Similar to Red Line, IIRC.

The rep confirmed that the new GF5 versions of those oils will no longer have the same levels of moly, and the Subaru factory fill has moly to improve fuel economy and the Subaru service fill does not.

If you're referring to the post by john klein, he's actually not running the Subaru oil.

-Dennis
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Old 07-28-2011, 01:15 PM   #31
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Quote:
Originally Posted by bluesubie View Post
The factory fill is definitely different unfortunately. Someone on the Forester board sent me an email exchange with a technical rep from Idemitsu Lubricants of America. Some of us had been curious because Idemitsu's Toyota and Honda oils have crazy high amounts of moly. Similar to Red Line, IIRC.

The rep confirmed that the new GF5 versions of those oils will no longer have the same levels of moly, and the Subaru factory fill has moly to improve fuel economy and the Subaru service fill does not.

If you're referring to the post by john klein, he's actually not running the Subaru oil.

-Dennis
Yup, no suby oil here. I'll have a 6k UOA in a bit...
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Old 07-28-2011, 05:57 PM   #32
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Ya I was referring to his UOA. Dang it my bad. What oil you using if you don't mind me asking Jon? Looks pretty good for a 5w-30 far as I can tell.
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Old 07-29-2011, 07:47 AM   #33
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Look at the moly, phosphorus, and zinc levels in Jon's uoa. That's no ordinary 5W-30. Also, lots of calcium for cleaning. Calcium vs. magnesium: http://www.bobistheoilguy.com/forums...14#Post2089814

New thread! New thread!

-Dennis

Last edited by bluesubie; 07-29-2011 at 08:09 AM.
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Old 07-29-2011, 04:24 PM   #34
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I'll make a thread once I have my 6k one.
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Old 09-09-2011, 01:00 PM   #35
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Old 04-05-2012, 10:27 AM   #36
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Upcoming: 3rd analysis at 7,523 miles on the car, 4,121 miles on the oil sample with OEM blue Subaru filter.

Car hasn't had many miles put on her since the last sample because I didn't drive her much in the winter... (although with the mild weather we had I drove her much more than I thought I was going to)

I'm sure that some anomalies will be present since oil pan was resealed when the Killer B Pickup tube and windage tray were installed.
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Old 04-09-2012, 09:36 PM   #37
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3rd analysis. 7,523 miles on the car, 4,121 on the Rotella T6 sample using the OEM blue Subaru filter.

TBN was purchased for this go-around.

Car was dyno tuned on this sample and had the Killer B oil pickup tube and windage tray installed.


Last edited by jay25RS; 04-09-2012 at 09:43 PM.
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Old 04-09-2012, 11:25 PM   #38
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The average for copper is wrong. Edit: They're all wrong weird. Edit 2: They're fine, I'm wrong.

I think flashpoint is lowered by fuel dilution which could be from the tuning? ie. repeated wot pulls on an engine not fully broken in.

Could copper be higher from the oil pickup install? I'm not familiar with it... Or is it just higher from the longer oci?

Thanks for posting

Last edited by kingme; 04-10-2012 at 09:26 AM.
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Old 04-09-2012, 11:36 PM   #39
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Quote:
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The average for copper is wrong.
How do you figure?

I saw your edit. Do you mean that the averages are different from your report?

Quote:
Originally Posted by kingme View Post
I think flashpoint is lowered by fuel dilution which could be from the tuning? ie. repeated wot pulls on an engine not fully broken in.
Flashpoint is lowered by fuel dilution as stated in the comments. It more than likely is because I don't daily drive the car and during the winter it sat for a while between driving but I'd occasionally have to start and move it to clear the drive.

Quote:
Originally Posted by kingme View Post
Could copper be higher from the oil pickup install? I'm not familiar with it... Or is it just higher from the longer oci?
Copper might be from the water/oil cooler in the STI. Seems that quite a few STI's have similar reports. Also, copper can be an additive in the oil.
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Old 04-09-2012, 11:39 PM   #40
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Quote:
Originally Posted by jay25RS View Post
How do you figure?
33+31+62 does not equal 21.

Quote:
Originally Posted by jay25RS View Post
Copper might be from the water/oil cooler in the STI. Seems that quite a few STI's have similar reports. Also, copper can be an additive in the oil.
O rite.
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Old 04-09-2012, 11:42 PM   #41
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Quote:
Originally Posted by kingme View Post
33+31+62 does not equal 21.
The universal averages are not for my car. They are an average for the samples they have from other STIs/ Subarus too.

I may try ENEOS 5w-30 synthetic next time to see if the copper drops.
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Old 04-09-2012, 11:50 PM   #42
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The universal averages are not for my car. They are an average for the samples they have from other STI's too.
Right you are sir. I'll show myself out.
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Old 07-21-2013, 10:41 PM   #43
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4th analysis. 11,153 miles on the car, 3,630 miles on the Rotella T6 sample using the OEM blue Subaru filter.

-2011 STI Cobb Stg 2 pro tuned with intake and inlet, Moroso catch cans.
-0 make up oil added
-Fumoto valve


Last edited by jay25RS; 07-21-2013 at 10:52 PM.
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Old 07-21-2013, 10:47 PM   #44
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P.S. Mods, can you please change my thread title to My 2011 STI UOA's? I plan on updating this as I collect more data.

Thanks!
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Old 07-21-2013, 10:53 PM   #45
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5th analysis. 13,963 miles on the car, 2,810 miles on ENEOS 5w-30 sample using the OEM blue Subaru filter.

-2011 STI Cobb Stg 2 pro tuned with intake and inlet, Moroso catch cans.
-(This was changed back on 8/16/12; it's not my daily driver so miles don't accumulate too quickly.)
-0 make up oil added
-Fumoto valve

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Old 07-22-2013, 09:36 AM   #46
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The copper seems to be dropping very slowly, even with the work that you've had done. Hopefully it will drop again with the next change.

I forget how impressive this Eneos 5W-30 is since they've reformulated it. It has a nice shot of moly, which I presume is the tri-nuclear kind. In addition to the calcium as a detergent/dispersant they're also using magnesium. The viscosity took about a 10% hit which isn't too bad with an HTHS of 3.05. Presumably due to the fairly high Viscosity Index. TBN actually did well as this oil starts at around 7.65.

A good protune really makes all of the difference though. An OTS tune, and many e-tunes, would have had higher fuel and your viscosity would have been shot. Smart move!

I take that back on the magnesium. Either it's residual Mg from the RT6 or the oil has been reformulated recently. PQIA shows very little Mg:

http://www.pqiamerica.com/March2013P...sallfinal.html

-Dennis

Last edited by bluesubie; 07-22-2013 at 09:45 AM.
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