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01-22-2021, 01:51 PM | #1 |
Scooby Newbie
Member#: 518233
Join Date: Aug 2020
Vehicle:2019 WRX |
trying to decide on oil and filter...
yoyo Subie homiezz. my first oil change is coming up and im trying to decide whether to just get OEM black filter or order online something like WIX, or this oversized MAHLE filter. There's also this $11CAD Mobil 1 filter in the "high performance" category.
and can't decide with oil... MOTUL seems to be the "hype". is it worth the price? Am I over-thinking this? on an unrelated you guys think I should bother the dealership to do the 4th gear TSB? can't say im excited about the idea of having a stranger tear into it...
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Last edited by basyager; 01-22-2021 at 02:13 PM. |
01-22-2021, 01:59 PM | #2 |
Scooby Newbie
Member#: 446029
Join Date: May 2016
Location: 510
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not another oil thread...lol You are going to hear lots of different opinions...
IMO cheap Mobil1/Castrol/Pennzoil 5W-30 and WIX filter you mentioned is fine. If you want to step up in oil then Motul, Liquimoly makes good stuff. Maintenance is key....4-6k oil change intervals. |
01-22-2021, 02:33 PM | #3 | |
Scooby Newbie
Member#: 518233
Join Date: Aug 2020
Vehicle:2019 WRX |
Quote:
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01-22-2021, 02:57 PM | #4 |
Scooby Newbie
Member#: 424692
Join Date: Jun 2015
Location: NJ
Vehicle:2015 WRX WRB |
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01-22-2021, 03:19 PM | #5 |
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region:
Tri-State
Location: N.J.
Vehicle:04 FXT 20 OB Onyx XT |
I have 190k miles on my FXT using the OEM Honeywell oil filter about 80-85% of the time and the rest of the time I used whatever comes free with an oil change bundle.
Oil brand doesn't matter, specs matter most. Oils generally perform very similarly when they meet the same specs (GF6 Resource Conserving oils usually become a 20 weight, ACEA C3 oils stay in grade much better, etc.). People throw out their favorite brands but many brands have many choices, even within the same grade, but they meet very different specs. There are seven Mobil 1 5W-30's, there are seven Motul 5W-30's. The most robust 5W-30's are the ones that have a High Temp High Shear of 3.5 or higher (Mobil 1 5W-30 ESP, Motul 8100 X-clean EFE 5W-30, Shell Rotella T6 Multi Vehicle 5W-30). |
01-22-2021, 03:48 PM | #6 |
Scooby Specialist
Member#: 78640
Join Date: Jan 2005
Chapter/Region:
NESIC
Vehicle:19 Tundra 20 Landcruiser | 12 IS-F |
We use Motul X-clean 5/30 (used to be EFE now it's Plus) here exclusively for the past 4 years or so and works great. Good analysis from the ones we've done. OEM Filter as well.
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01-22-2021, 04:22 PM | #7 |
Scooby Newbie
Member#: 518233
Join Date: Aug 2020
Vehicle:2019 WRX |
much appreciated guys.. oil change is coming up no time to nerd up on oil knowledge for now, high temp high shear. is what I need got it. I am still able to find the EFE. its a little cheaper actually
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01-22-2021, 05:12 PM | #8 |
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region:
Tri-State
Location: N.J.
Vehicle:04 FXT 20 OB Onyx XT |
Well when you do have time, nerd away!
https://forums.nasioc.com/forums/sho....php?t=2714154 https://forums.nasioc.com/forums/sho....php?t=2657990 https://bobistheoilguy.com/ Last edited by bluesubie; 01-22-2021 at 05:18 PM. |
01-23-2021, 12:44 PM | #9 |
Scooby Newbie
Member#: 386600
Join Date: Apr 2014
Location: Western Canada
Vehicle:2015 WRX |
If you want to use an oversized filter, you can use a Baldwin 7167 or the larger Baldwin B161-S. They have 18% and 42% more filtration area than stock. They have the same 20psi bypass valve pressure rating as OEM. I've used both. The B161-S is tall enough to contact the hood insulation, which melted it a bit.
I like oversized filters especially for winter since they don't go into bypass as easily when the oil is cold. They're also better for longer OCI's. |
01-23-2021, 05:44 PM | #10 |
Scooby Newbie
Member#: 402552
Join Date: Sep 2014
Location: Canada
Vehicle:2016 WRX |
While I really appreciate that huge oil thread and all the discussions in it, do yourself a favour and don't read any of it.
Choose whatever oil (5w30) and filter is convenient/cheap to get for you. I think change interval is the most important thing with the amount of fuel dilution in these engines. I spent years reading and trying different oils recommended by people on here and........just wasted my time and money on fancier oils. I just get whatever is on sale now. |
01-24-2021, 09:17 AM | #11 |
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Join Date: Apr 2019
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Couldnt resist commenting.. personally i think the choice of oil is most important. Once that is done oil intervals are secondary only because every one of us changes the oil too often 3-5000k and most oils provide protection past 7500k as documented with multiple oil analyses enthusiasts posted for us to see.
Furthermore, why not get 0W30 or 0W40, basically 0W oil for cold temps. You guys are aware that 0W includes or encompasses 5W spec oil temps? So why not go for more protection on cold startup.. There are exceptional 20-25$/5qt oils at Walmart that are for DIT engines specifically. |
01-24-2021, 03:28 PM | #12 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
Just us the OEM filters and change your oil regularly. Oil brand/type is highly debated, but no one has ever has a single problem due to the OEM filter not doing its job. Although, there are many more worse options out there.
Last edited by KillerBMotorsport; 01-25-2021 at 10:30 AM. |
01-24-2021, 11:45 PM | #13 |
Scooby Newbie
Member#: 518233
Join Date: Aug 2020
Vehicle:2019 WRX |
but FA uses black oem filter?
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01-25-2021, 10:30 AM | #14 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
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01-25-2021, 10:45 AM | #15 | |
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region:
Tri-State
Location: N.J.
Vehicle:04 FXT 20 OB Onyx XT |
Quote:
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01-25-2021, 12:39 PM | #16 |
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Most oils at walmart arent for DIT applications, like 90%+. I said specific oils are. Not sure about one you mentioned because i use a different Mobil 1 oil and a Quaker oil. Former is 0w40 api sn 24$ and latter 5w30 api sn plus 21$, latter actually being slightly better oil as far as my research shows.
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01-25-2021, 03:04 PM | #17 | |
Scooby Newbie
Member#: 386600
Join Date: Apr 2014
Location: Western Canada
Vehicle:2015 WRX |
Quote:
I wouldn't use an SN oil anymore. The standard was changed quite a lot for SN Plus, to address LSPI issues, and LSPI is a pretty common killer of these engines. SP is even newer than SN Plus and apparently has some further improvements for LSPI prevention. |
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01-25-2021, 03:19 PM | #18 | |
Scooby Guru
Member#: 428511
Join Date: Aug 2015
Location: philadelphia
Vehicle:2016 STI |
Quote:
Viscosity modifiers give that affect, so it takes more modification to get a bigger range. That's why some people use straight 30 in summer. Because a straight weight oil is always better than a dual viscosity as long as cold temps aren't an issue. 0w-40 simply isn't necessary in normal US temps. |
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01-25-2021, 03:19 PM | #19 |
Scooby Guru
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Join Date: Aug 2015
Location: philadelphia
Vehicle:2016 STI |
Also, what is the 4th gear TSB??????
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01-25-2021, 03:28 PM | #20 | |
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Quote:
Having said that how much better is 30 oil vs 5w30 or 0w30? Are we talking 0.5%, 3% or 30% and only within warm-warmed up range. The point i was trying to hammer home is that 5w30 oil range is within 0w40 oil operating ranges which are wider or on both ends. Last edited by Rexy18; 01-25-2021 at 03:41 PM. |
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01-25-2021, 03:48 PM | #21 | |
Scooby Guru
Member#: 428511
Join Date: Aug 2015
Location: philadelphia
Vehicle:2016 STI |
Quote:
wait, are you White Boy from "I love New York" |
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01-25-2021, 04:22 PM | #22 |
Scooby Newbie
Member#: 518233
Join Date: Aug 2020
Vehicle:2019 WRX |
So whats the verdict on fuel dillution? People saying its bad on these others are saying if you drive highway it evaporates. Seen a UOA of some guys fa20 and fuel dillution was <2%. Some guy said its a good idea to get 40w to compensate for any dillution. What u guys think, considering how tiny the oil passages are on new engines..
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01-25-2021, 04:57 PM | #23 | ||
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region:
Tri-State
Location: N.J.
Vehicle:04 FXT 20 OB Onyx XT |
Quote:
Quote:
Many of the standard 5W-30's at Wal-Mart are GF5/GF6 dexos 1 Gen 2 so they do have additive packages in mind for IVD and LSPI. Of course, they also have the operational viscosity of a 20 grade. |
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01-25-2021, 05:04 PM | #24 | |
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region:
Tri-State
Location: N.J.
Vehicle:04 FXT 20 OB Onyx XT |
Quote:
Most xW-40's can cause intake valve deposits so you need one that meets ACEA C3 ratings as it will have reduced ZDDP and calcium. This is why IAG Performance does not recommend Motul X-cess 5W-40 in a DIT. https://www.iagperformance.com/conte...ipping-Doc.pdf https://forums.nasioc.com/forums/sho....php?t=2882122 |
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01-25-2021, 07:26 PM | #25 |
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