Oil Analysis - 1st oil change

[R L Newb]

added oil change number 4. Looks like the values have planed out and the stock oil is still doing well.

[Ranatsu]

Originally Posted by R L Newb

added oil change number 4. Looks like the values have planed out and the stock oil is still doing well.

Its really small, can you post a larger resolution?

[Jeffsu350]

here is my second oil change

[R L Newb]

Originally Posted by Ranatsu

Its really small, can you post a larger resolution?

fixed, I had linked trying to use google+ which was weaksauce. Switched back to picasa.

Originally Posted by Jeffsu350

here is my second oil change

Thanks! added to the first post list, what oil are you using?

[Jeffsu350]

I have been using the free dealer oil changes.

[bluesubie]

Originally Posted by R L Newb

added oil change number 4. Looks like the values have planed out and the stock oil is still doing well.

The oil is thickened up to a 30 weight so I wonder if you have some oxidation going on. This is why I like Oil Analyzer's Inc because you get TBN, oxidation, and nitration cheaper than a Blackstone uoa without TBN.

What air and oil filters are you using? Hopefully the silicon is still from break-in because it typically drops a little more quickly.

-Dennis

[R L Newb]

Originally Posted by bluesubie

The oil is thickened up to a 30 weight so I wonder if you have some oxidation going on. This is why I like Oil Analyzer's Inc because you get TBN, oxidation, and nitration cheaper than a Blackstone uoa without TBN.

What air and oil filters are you using? Hopefully the silicon is still from break-in because it typically drops a little more quickly.

-Dennis

I can try sending the next sample out to those guys and see. Not sure what's up with the oil weight. It should be the same formula as the 3rd report and about the same miles. The only difference is I took the sample cold this time.

I still have the original air filter in which is made by Toyota. I checked it a few times and knocked out a couple bugs but it's still white. It looks like an industrial HEPA filter compared to most stock ones! I'm using the Subaru stock oil filter which is the black wide one by Tokyo roki.

[Jeffsu350]

I also had the third fill from the dealer ... I guess we will find out

I'm at 19k miles now, and plan on using my third free change at 22.5k miles

Then I will need to decide what oil to use after

Original air filter and oem Subaru black oil filter since new

[bluesubie]

RL - You're doing your own oil changes, right? Note the difference in viscosity with Jeff's uoa. 9.3 cst's @ 100C is where a 30 weight begins. Some oils do thin out with use and then thicken back up again and could be what happened here. This is something noticeable if you do several uoa's on the same oil over the entire interval.

I would probably try to keep the intervals at just under 7,500 miles, despite what Blackstone says.

-Dennis

[R L Newb]

Originally Posted by bluesubie

RL - You're doing your own oil changes, right? Note the difference in viscosity with Jeff's uoa. 9.3 cst's @ 100C is where a 30 weight begins. Some oils do thin out with use and then thicken back up again and could be what happened here. This is something noticeable if you do several uoa's on the same oil over the entire interval.

I would probably try to keep the intervals at just under 7,500 miles, despite what Blackstone says.

-Dennis

Yeah I'm doing my own with the Subie 0w-20. It looks like this latest one is the only I've had with the spike in viscosity. We'll see how this round goes.

[KSC]

I was pretty dead set on using Sustina for my first change, but I'm leaning more and more towards just using the Subie Idemitsu, especially after seeing some of these UOAs. I still think the Eneos is top notch, but being as my driving habits are somewhat on the "reserved" side, and that I plan on 5K drains, I might as well save the $30 while still keeping a great quality fill.

[R L Newb]

Originally Posted by KSC

I was pretty dead set on using Sustina for my first change, but I'm leaning more and more towards just using the Subie Idemitsu, especially after seeing some of these UOAs. I still think the Eneos is top notch, but being as my driving habits are somewhat on the "reserved" side, and that I plan on 5K drains, I might as well save the $30 while still keeping a great quality fill.

30k miles and still going strong on the stock oil. Maybe if you were tracking the car a more robust oil would be in order but it seems like the stock oil holds up without any problems, especially at that change interval.

[zoomzoomers]

How much does the factory fill run on the regular anyway? Maybe I'll give it a try. Might as well try different oils and see what I like.

[CheesusCrust]

Guys, I've never changed my oil before, and my car just hit 7500. Changing it will be easy enough, but what oil/filter do I buy? I live in VA