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Second oil change UOA 2018 STI Castrol edge #4581667
11/22/17 07:34 AM
11/22/17 07:34 AM
Joined: Dec 2006
Posts: 139
Cincinnati
Spdfrk1990 Offline OP
Spdfrk1990  Offline OP
Joined: Dec 2006
Posts: 139
Cincinnati
Here is my second UOA when using Castrol edge black bottle.


18 Chevrolet Colorado Z71 4x4 V6 | Mobil 1 5w30 EP
18 KIA Stinger GT AWD Limited Edition Sunset Yellow
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4581679
11/22/17 08:08 AM
11/22/17 08:08 AM
Joined: Oct 2012
Posts: 2,332
Northern Ontario, Canada
Danno Offline
Danno  Offline
Joined: Oct 2012
Posts: 2,332
Northern Ontario, Canada
UOA has no surprises. What will your OCI be once you are past engine break in?


2016 Sorento SX V6 AWD
2015 KIA RIO SX
2010 Mazda 3 2.0L
2009 Venza V6 AWD
2013 Sonata 2.4L RIP in write-off crash
Re: Second oil change UOA 2018 STI Castrol edge [Re: Danno] #4581729
11/22/17 09:31 AM
11/22/17 09:31 AM
Joined: Dec 2006
Posts: 139
Cincinnati
Spdfrk1990 Offline OP
Spdfrk1990  Offline OP
Joined: Dec 2006
Posts: 139
Cincinnati
Originally Posted By: Danno
UOA has no surprises. What will your OCI be once you are past engine break in?

I was thinking 4k or the 3800 that blackstone recommended.


18 Chevrolet Colorado Z71 4x4 V6 | Mobil 1 5w30 EP
18 KIA Stinger GT AWD Limited Edition Sunset Yellow
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4581742
11/22/17 09:55 AM
11/22/17 09:55 AM
Joined: Jul 2017
Posts: 542
Texas (south)
FermeLaPorte Offline
FermeLaPorte  Offline
Joined: Jul 2017
Posts: 542
Texas (south)
With Mobil 1 you can actually extended the oil change intervals to 5k or 7k


Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4581829
11/22/17 11:43 AM
11/22/17 11:43 AM
Joined: Dec 2006
Posts: 139
Cincinnati
Spdfrk1990 Offline OP
Spdfrk1990  Offline OP
Joined: Dec 2006
Posts: 139
Cincinnati
First UOA was factory fill of course. This one is Edge black bottle 5w30. My next UOA will be with Edge 5w30 gold bottle 2.5 qts and 2 qts of edge 0w40. I was surprised the black bottle edge did not shear down to a 20 weight like some people said it would.

Last edited by Spdfrk1990; 11/22/17 11:44 AM.

18 Chevrolet Colorado Z71 4x4 V6 | Mobil 1 5w30 EP
18 KIA Stinger GT AWD Limited Edition Sunset Yellow
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4583899
11/24/17 06:14 PM
11/24/17 06:14 PM
Joined: Mar 2008
Posts: 6,136
Michigan
ZZman Offline
ZZman  Offline
Joined: Mar 2008
Posts: 6,136
Michigan
Not much Titanium


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4584111
11/24/17 11:15 PM
11/24/17 11:15 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
I'd be worried about that copper and aluminum. And I disagree with Blackstone; I think 9.06 is too thin for a 5W-30.

Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4584174
11/25/17 05:54 AM
11/25/17 05:54 AM
Joined: Dec 2006
Posts: 139
Cincinnati
Spdfrk1990 Offline OP
Spdfrk1990  Offline OP
Joined: Dec 2006
Posts: 139
Cincinnati
Its a new motor and the copper is going down so im not worried. Aluminum is only 9 ppm why would I worry about that?


18 Chevrolet Colorado Z71 4x4 V6 | Mobil 1 5w30 EP
18 KIA Stinger GT AWD Limited Edition Sunset Yellow
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4586542
11/27/17 12:08 PM
11/27/17 12:08 PM
Joined: Aug 2003
Posts: 2,307
NJ
bluesubie Offline
bluesubie  Offline
Joined: Aug 2003
Posts: 2,307
NJ
Originally Posted By: Spdfrk1990
First UOA was factory fill of course. This one is Edge black bottle 5w30. My next UOA will be with Edge 5w30 gold bottle 2.5 qts and 2 qts of edge 0w40. I was surprised the black bottle edge did not shear down to a 20 weight like some people said it would.

It did shear to a 20 weight. Blackstone's "Should be" values for viscosity aren't always in the actual SAE J300 range for a given viscosity. Not sure why, but it causes a lot of confusion. Anything below 9.3 is a 20 grade. And you also boosted the viscosity a bit by adding make-up oil. smile2

Even though you're still breaking it in, it's kind of odd that there was an uptick in aluminum so just keep an eye on it. And be careful following Blackstone's (or anyone's) advice on OCI's. They will not offer Powertrain Warranty coverage in the event of a failure.

Last edited by bluesubie; 11/27/17 12:22 PM.

'04 Subaru Forester 2.5XT
Castrol Edge High Mileage
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4586554
11/27/17 12:29 PM
11/27/17 12:29 PM
Joined: Dec 2006
Posts: 139
Cincinnati
Spdfrk1990 Offline OP
Spdfrk1990  Offline OP
Joined: Dec 2006
Posts: 139
Cincinnati
Thanks. My first uoa was only 1300 miles so thats why the aluminum was less on the first uoa. I plan to use 0w40 from now on as well. The viscosity was still better then the factory fill at only 1300 miles as well.

Last edited by Spdfrk1990; 11/27/17 12:32 PM.

18 Chevrolet Colorado Z71 4x4 V6 | Mobil 1 5w30 EP
18 KIA Stinger GT AWD Limited Edition Sunset Yellow
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4586577
11/27/17 12:55 PM
11/27/17 12:55 PM
Joined: Aug 2003
Posts: 2,307
NJ
bluesubie Offline
bluesubie  Offline
Joined: Aug 2003
Posts: 2,307
NJ
Originally Posted By: Spdfrk1990
The viscosity was still better then the factory fill at only 1300 miles as well.

I wouldn't be surprised if the factory fill was designed to shear like that from the moment that the car is started for CAFE purposes. I don't recall ever seeing a "5W30" factory fill come back as a 30 grade, even when the n/a Forester and Outback specced 5W30.


'04 Subaru Forester 2.5XT
Castrol Edge High Mileage
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4586612
11/27/17 01:19 PM
11/27/17 01:19 PM
Joined: Dec 2006
Posts: 139
Cincinnati
Spdfrk1990 Offline OP
Spdfrk1990  Offline OP
Joined: Dec 2006
Posts: 139
Cincinnati
I really enjoy doing these UOA's though and seeing the results. I plan to do one every oil change on this car.


18 Chevrolet Colorado Z71 4x4 V6 | Mobil 1 5w30 EP
18 KIA Stinger GT AWD Limited Edition Sunset Yellow
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4586627
11/27/17 01:39 PM
11/27/17 01:39 PM
Joined: Jul 2016
Posts: 42
WA
John_Dude Offline
John_Dude  Offline
Joined: Jul 2016
Posts: 42
WA
Sheared out of grade in just 3k miles..... silicon is high. I dont think silicon numbers are affected by engine break-in, check your air filter. Are you using a cellulose disposable or oiled cotton gauze?

Last edited by John_Dude; 11/27/17 01:52 PM.
Re: Second oil change UOA 2018 STI Castrol edge [Re: John_Dude] #4586628
11/27/17 01:40 PM
11/27/17 01:40 PM
Joined: Dec 2006
Posts: 139
Cincinnati
Spdfrk1990 Offline OP
Spdfrk1990  Offline OP
Joined: Dec 2006
Posts: 139
Cincinnati
Originally Posted By: John_Dude
Sheared out of grade in just 3k miles..... silicon is high. I dont think silicon numbers are affected by engine break-in, check your air filter. Are you using a cellulose disposable or oiled cotton gauze?

You'd be better off with a 0w40 with the engine being that hard on a 30 grade, especially since its turbo-charged.


Silicone is high because it is a new engine and should lower over time like it has been I am told. This comes from the sealants used in engine assembly. It was 109 on the first UOA and now only 33. I suspect the next UOA to be even lower.

Last edited by Spdfrk1990; 11/27/17 01:43 PM.

18 Chevrolet Colorado Z71 4x4 V6 | Mobil 1 5w30 EP
18 KIA Stinger GT AWD Limited Edition Sunset Yellow
Re: Second oil change UOA 2018 STI Castrol edge [Re: Spdfrk1990] #4586638
11/27/17 01:51 PM
11/27/17 01:51 PM
Joined: Jul 2016
Posts: 42
WA
John_Dude Offline
John_Dude  Offline
Joined: Jul 2016
Posts: 42
WA
Sealants are silicone, not silicon. "Silicones, also known as polysiloxanes, are polymers that include any inert, synthetic compound made up of repeating units of siloxane, which is a chain of alternating silicon atoms and oxygen atoms, frequently combined with carbon and/or hydrogen. "

You'd be better off with a 0w40 with the engine being that hard on a 30 grade, especially since its turbo-charged. I wouldn't bother with half 5w30 half 0w40, go with mobil 0w40. It has a viscosity of 12.9 CST @ 100c, which is just above the max viscosity of a 30 grade (12.5 cst). Should shear down to a mid-30 grade with how hard that engine churns the oil.

Last edited by John_Dude; 11/27/17 02:01 PM.
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