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Mobil 1 0W-40 FS too thick for 1997 Civic? #4815538
07/16/18 12:29 PM
07/16/18 12:29 PM
Joined: May 2007
Posts: 654
Indiana
njohnson Offline OP
njohnson  Offline OP

Joined: May 2007
Posts: 654
Indiana
Hey everyone,

Getting ready to change the oil in our 1997 Civic. It calls for 5W-30, and that is what we have been using. Had some left over Mobil 1 0W-40 FS from an oil change in our dad's truck. Around three quarts left over. I was thinking of using it in the Civic. What do you think? Is it too thick?

We have been having temperatures in the 90's around here. I was thinking a little thicker might be better in the heat.

Also, would there be any issues using the Mobil 1 0W-40 with seals that old? I believe the oil pan seal is still the original?

Thanks,

Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815539
07/16/18 12:31 PM
07/16/18 12:31 PM
Joined: Apr 2008
Posts: 40,167
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline

Joined: Apr 2008
Posts: 40,167
Ontario, Canada
It'll be fine, use it with confidence.


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2016 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815541
07/16/18 12:31 PM
07/16/18 12:31 PM
Joined: Dec 2011
Posts: 6,352
North Carolina
rooflessVW Online content
rooflessVW  Online Content

Joined: Dec 2011
Posts: 6,352
North Carolina
Sounds good to me. 0W-40s are the Frank's Red Hot of oils.


"Zed's dead baby, Zed's dead."
Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815558
07/16/18 12:45 PM
07/16/18 12:45 PM
Joined: Jan 2017
Posts: 3,031
VW Fanboy Island
maxdustington Offline
maxdustington  Offline

Joined: Jan 2017
Posts: 3,031
VW Fanboy Island
This is BITOG

Nothing is "too thick"

Last edited by maxdustington; 07/16/18 12:45 PM.

03 Jetta AWP/09A 210k kms
Edge 0W40 + Mann 719/30
Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815579
07/16/18 01:04 PM
07/16/18 01:04 PM
Joined: Dec 2017
Posts: 657
Suomi
Bjornviken Offline
Bjornviken  Offline

Joined: Dec 2017
Posts: 657
Suomi
No its not, my honda r18 engine can use up to 10w-40.

Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815592
07/16/18 01:21 PM
07/16/18 01:21 PM
Joined: Nov 2006
Posts: 22,029
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 22,029
MA, Mittelfranken.de
No problems whatsoever in that engine.


ASE L1, Master. Deutsch Meisterbrief.
Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815626
07/16/18 01:55 PM
07/16/18 01:55 PM
Joined: Jan 2003
Posts: 1,104
Elizabeth. Colorado
c502cid Offline
c502cid  Offline

Joined: Jan 2003
Posts: 1,104
Elizabeth. Colorado
I use 10w-40 in both my Civics. I'd use that in a heartbeat.


16 F150 2.7 EB 4x4
15 Chev Trax AWD
02 GMC 3500 8.1/Ally DRW 4x4
00 Blazer 4.3 4x4
97/98 Civics
84 Chev K30 454EFI/T400/NP205 DRW 4x4
71 GMC Jimmy 502 RamJet/T400/NP205 4x4
08 Kawi Brute Force 750
Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815659
07/16/18 02:47 PM
07/16/18 02:47 PM
Joined: Sep 2004
Posts: 22,876
Central Florida
Mr Nice Offline
Mr Nice  Offline

Joined: Sep 2004
Posts: 22,876
Central Florida
No, it will be fine.

Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: Mr Nice] #4815822
07/16/18 06:59 PM
07/16/18 06:59 PM
Joined: Jul 2015
Posts: 642
Pennsylvania
Astro_Guy Offline
Astro_Guy  Offline

Joined: Jul 2015
Posts: 642
Pennsylvania
M1 0w40 is on the "thin" side of 40, so use with confidence.


'01 Volvo V70XC, 241k, 10W-30 M1 High Mileage
'16 Accord, 35k, 5W-30 M1 EP
Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815852
07/16/18 07:32 PM
07/16/18 07:32 PM
Joined: Oct 2005
Posts: 5,266
Fredericksburg, VA
JAG Offline
JAG  Offline

Joined: Oct 2005
Posts: 5,266
Fredericksburg, VA
You would probably be doing it favor by using M1 0W-40, at least in the warm months.

Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815899
07/16/18 08:20 PM
07/16/18 08:20 PM
Joined: Sep 2013
Posts: 588
Connecticut
cheesepuffs Offline
cheesepuffs  Offline

Joined: Sep 2013
Posts: 588
Connecticut
With age/mileage, bearings accumulate wear. Without disassembling the engine and measuring the bearing clearances, we cannot say how much wear your bearings have. But, at that carís age, thereís bound to be some wear leading to somewhat larger bearing clearances, which leaves more room for a thicker oil anyway. Like others are saying, no sweat. If something happens to that engine it wonít be due to the slightly thicker oil.


2008 Honda Accord Coupe V6
Re: Mobil 1 0W-40 FS too thick for 1997 Civic? [Re: njohnson] #4815909
07/16/18 08:32 PM
07/16/18 08:32 PM
Joined: Jul 2018
Posts: 50
Europe
Mitsu_Joe Offline
Mitsu_Joe  Offline

Joined: Jul 2018
Posts: 50
Europe
That oil will probably be like heaven for your engine.
Those japanese engines are incredibly grateful considering oil and will kinda take anything you throw at them.
With the relatively high Mileage increasing the thickness a bit by choosing a xW-40 oil is exactly the way to go in my mind...


1988 Mitsubishi Galant w/ 92k mls: Castrol GTX 15W-40
1997 Toyota Starlet w/ 120k mls: Gulf Formula G 5W-40
2003 Renault Clio w/ 70k mls: LM 5W-40
2006 MB E320CDI w/ 105k mls: Fuchs Titan 5W-30

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