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Mobil1 0W-40 6,610mi, 2010 Civic Si 94k #4803333
07/02/18 04:03 PM
07/02/18 04:03 PM
Joined: Apr 2008
Posts: 15
Augusta GA
ScottyB Offline OP
ScottyB  Offline OP

Joined: Apr 2008
Posts: 15
Augusta GA
I bought this Si used on Labor Day 2017, and this run of 0W-40 is the first change of oil I've personally put through it. I chose to stick with the recommended interval of the onboard maintenance minder as a baseline for my first analysis. The car's driveline is entirely stock, but I did replace the air filter with an OEM Honda filter at the start of this oil change. The oil filter used was also an OEM Honda A01 unit.

This car is spec'd for 5W-30, but given my aggressive driving habits, hot climate (east GA), and a positive Civic Si OW-40 UOA from user JoeFromPA, I felt the added thickness, good $$ value and stout TBN of this oil as essentially a "beefy 30 weight" would be the right call.

Additionally, Honda's higher performance Japanese-market Type-R variant of this chassis, the "FD2", calls for a 5W-40 weight in the factory service manual. Given that the engine in that car is essentially identical internally to mine, aside from a slightly hotter cam and the deletion of balance shafts in the sump, supported my thought that the engine would be happy with a 40 weight oil.



As you can imagine, I'm quite pleased. It looks like the 0W-40 dipped down right into that middle/high 30 weight range at the end. I take care to drive the car gently until its fully warm, but otherwise it sees normal shifts in the 4-5k RPM range and sees the 8,200 RPM redline multiple times a trip, as it should. I bought the car as a practical daily driver, so it sees all the rigors of traffic, long interstate trips, extended idling with the A/C cranked up, and lots of engine shutdowns/cranks when running errands.

Given the results I don't feel inclined to change viscosities. I got a great deal on Pennzoil Euro 0W-40 from wally world so that is currently in the sump with another A01 oil filter. My plan is to take that oil out to 8-9k miles and see what the UOA turns up. I have a feeling I'll settle in somewhere around 10k mile change intervals by the time I find the sweet spot with these 0W-40s.

Comments welcome. Thanks!


Last edited by ScottyB; 07/02/18 04:05 PM.
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803339
07/02/18 04:14 PM
07/02/18 04:14 PM
Joined: Jul 2014
Posts: 91
Louisiana
camryrolla Offline
camryrolla  Offline

Joined: Jul 2014
Posts: 91
Louisiana
with a TBN of over six, I would easily go 10K OCI.


'11 Camry 2.5L 160K mi
'07 Corolla 1.8L 220K mi
Always Fram XG filter.
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803349
07/02/18 04:26 PM
07/02/18 04:26 PM
Joined: Apr 2008
Posts: 38,691
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline

Joined: Apr 2008
Posts: 38,691
Ontario, Canada
Looks like the oil held up extremely well and there's not a lot of fuel in the oil, which is a big plus thumbsup


2019 RAM 1500 Sport
2016 Grand Cherokee SRT
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803354
07/02/18 04:30 PM
07/02/18 04:30 PM
Joined: May 2012
Posts: 953
Rio Rancho, NM
Pajero Offline
Pajero  Offline

Joined: May 2012
Posts: 953
Rio Rancho, NM
Nice car and great UOA!



Respectfully,

Pajero!


Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: camryrolla] #4803356
07/02/18 04:30 PM
07/02/18 04:30 PM
Joined: Apr 2008
Posts: 15
Augusta GA
ScottyB Offline OP
ScottyB  Offline OP

Joined: Apr 2008
Posts: 15
Augusta GA
Originally Posted By: camryrolla
with a TBN of over six, I would easily go 10K OCI.


Agreed the TBN is strong - do you think its wise to jump right up to a 10k OCI next time around or do a "middle ground" of maybe 8 or 9k miles?

To be honest, the oil filter is such a PITA to reach I'd probably be happy to just let it ride to 10k!

Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803357
07/02/18 04:31 PM
07/02/18 04:31 PM
Joined: Jul 2015
Posts: 4,676
Down Under
SR5 Offline
SR5  Offline

Joined: Jul 2015
Posts: 4,676
Down Under
Nice low iron wear, ample TBN left, this is an easy 10K mile oil for this car.


---------------------------------------------------------------------------------
Castrol GTX Ultraclean 15W40 A3/B3 + Wesfil-Cooper Z154
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803367
07/02/18 04:37 PM
07/02/18 04:37 PM
Joined: Dec 2017
Posts: 1,585
US
JLTD Offline
JLTD  Offline

Joined: Dec 2017
Posts: 1,585
US
thumbsup In all respects - thanks for the report


I'm a thickie; assimilate
But 20s have their place

Using AMSOIL

Hers: 2008 Jeep Liberty 138k, SS 5w30/Amsoil

His: 2015 4Runner 45k, OE 5w30/Wix

Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803381
07/02/18 04:48 PM
07/02/18 04:48 PM
Joined: Jun 2016
Posts: 3,714
MN
oil_film_movies Online content
oil_film_movies  Online Content

Joined: Jun 2016
Posts: 3,714
MN
You're certainly using a great oil, yet you're using the Honda OEM oil filter, which doesn't filter as well & isn't built as well as a Fram Ultra XG7317.

Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803384
07/02/18 04:52 PM
07/02/18 04:52 PM
Joined: Jun 2005
Posts: 3,491
Massachusetts
deven Offline
deven  Offline

Joined: Jun 2005
Posts: 3,491
Massachusetts
So much for M1 causing excessive iron wear!


Proud user of ROYAL PURPLE products!

2016 Acura RLX Sports Hybrid(Royal Purple HPS 5w30 + M1-110 oil filter)

KEEP IT SIMPLE STUPID. IT'S ONLY OIL
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803391
07/02/18 05:00 PM
07/02/18 05:00 PM
Joined: May 2017
Posts: 942
TX
parshisa Offline
parshisa  Offline

Joined: May 2017
Posts: 942
TX
1.5qt of make up oil probably helped a good but with TBN retention

Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: parshisa] #4803420
07/02/18 05:41 PM
07/02/18 05:41 PM
Joined: Mar 2015
Posts: 5,782
Virginia
bbhero Online sick
bbhero  Online Sick

Joined: Mar 2015
Posts: 5,782
Virginia
^^^^^^^

Great point parshisa.

This report does look like a winner at the end of the day.


Nissan Altima 3.5 Coupe
Mobil Super 5w30 Wix 57356
"Treat your family like your friends and treat your friends like your family."
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803422
07/02/18 05:43 PM
07/02/18 05:43 PM
Joined: Jul 2004
Posts: 12,115
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline

Joined: Jul 2004
Posts: 12,115
Middlesex County CT
Nice shrubs.


2004 Prius; 102K; ASL
2007 Yaris 78K 0w-40 Castrol
2006 B2300;132K;ALM


Was driving an ox cart; Now on the USS Enterprise
Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: ScottyB] #4803430
07/02/18 05:50 PM
07/02/18 05:50 PM
Joined: Mar 2017
Posts: 742
West Ma.
rollinpete Offline
rollinpete  Offline

Joined: Mar 2017
Posts: 742
West Ma.
Nice report, thumbsup
Looking forward to your next UOA.


Pete.

97 Ford Expl.Sport 4.0 ohv 4wd 5spddrive187k miles
03 Saturn Ion 2.2 L4 5spddrive236K miles
PPHM 5w30 x 2 Fram Ultra x 2

Currently under the influence of oil shocked2

Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: oil_film_movies] #4803446
07/02/18 06:10 PM
07/02/18 06:10 PM
Joined: Apr 2008
Posts: 15
Augusta GA
ScottyB Offline OP
ScottyB  Offline OP

Joined: Apr 2008
Posts: 15
Augusta GA
Originally Posted By: oil_film_movies
You're certainly using a great oil, yet you're using the Honda OEM oil filter, which doesn't filter as well & isn't built as well as a Fram Ultra XG7317.


I'm new to this car so I went with a filter that felt like a safe bet which was OEM. I bought a 6-pack if them, do when I run out I'll consider the Fram. Until them I'm not losing sleep over the performance of the Honda A01.

Re: Mobil1 0W-40 6,610mi, 2010 Civic Si 94k [Re: oil_film_movies] #4803456
07/02/18 06:21 PM
07/02/18 06:21 PM
Joined: May 2017
Posts: 942
TX
parshisa Offline
parshisa  Offline

Joined: May 2017
Posts: 942
TX
is there a proof that XG7317 is superior to Honda A01 by Filtech? not being a wise guy but really curious since I need to make a filter choice for next OCI. thanks

Last edited by wwillson; 07/03/18 05:30 AM. Reason: censor bypass
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