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Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l #4600921
12/11/17 07:00 PM
12/11/17 07:00 PM
Joined: May 2010
Posts: 2,033
Illinois, U.S.A
RamFan Offline OP
RamFan  Offline OP
Joined: May 2010
Posts: 2,033
Illinois, U.S.A
Much improved over the previous UOA. I'm pretty sure my suspicion that high fuel in the previous UOA was caused by winter driving is correct. I do think that dropping the OCI down to 8k miles is probably optimal, but, going to 10k miles certainly won't hurt the engine. With that being said, I don't trust the OLM system. Once again, this sample was taken with an OLM reading either 50 or 60% remaining. I did contact Mazda to find out about their algorithm and they actually seem to be intrigued by the lack of depreciation on my OLM so that's something we're now digging into.

OCI history is as follows:

0 - 1,169 - Factory Fill
1,169 - 10,120 - Mag1 0w20
10,120 - 19,949 - Mobil Super Syn 0w20
19,949 - 30,031 - Mobil 1 EP 0w20
30,031 - Present - SynPower 0w20



Last edited by RamFan; 12/11/17 07:04 PM.

18 Giulia Ti Sport
+2.0l turbo - Factory fill & filter
16.5 CX-5 Touring
+2.5l - 48k - SynPower w/ Maxlife 0w20 - PureOne - 8k/1yr
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4600935
12/11/17 07:11 PM
12/11/17 07:11 PM
Joined: Jan 2009
Posts: 13,837
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,837
Illinois
Easily a 10K OCI oil.


2007 Ford Fusion 232,000 miles
M1 0-20 EP
2017 Ford Fusion 55K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters

Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4600943
12/11/17 07:20 PM
12/11/17 07:20 PM
Joined: Jan 2013
Posts: 1,353
America's Dairyland
LotI Offline
LotI  Offline
Joined: Jan 2013
Posts: 1,353
America's Dairyland
Im curious about their math too. I changed my oil at 10k miles in my M6 and at 13k Im still showing 7k miles remaining. Their max is 7,500 miles and Im at 3k with just a 500 mile drop?!

My thought with the SkyActiv is to keep the OCI at 5k winter and 10k summer due to fuel dilution.


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4600979
12/11/17 08:10 PM
12/11/17 08:10 PM
Joined: Oct 2010
Posts: 1,784
.
Danh Offline
Danh  Offline
Joined: Oct 2010
Posts: 1,784
.
This does provide a good data point about the harmfulness of fuel dilution. Your previous UOA had a boatload of fuel with 100C viscosity of 5.55 cSt and certainly a lot more than Blackstone says; the current one looks a lot better on this front. But even with the extra dilution wear metals weren't that different, especially considering break-in metals were still washing out.

Maybe fuel dilution isn't something we should obsess over and just maybe the OEMs know what they're doing.

Nah...

Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4601007
12/11/17 08:42 PM
12/11/17 08:42 PM
Joined: Oct 2010
Posts: 5,287
Florida
Artem Offline
Artem  Offline
Joined: Oct 2010
Posts: 5,287
Florida
What's the driving conditions? 50-60% oil life left after 10,000 miles is ridiculous.

My 2014 Mazda 3 drops to 40-50% after 4K miles. Most city at 70/30 but we usually avoid bumper to bumper rush hour traffic and cruise at 49mph a lot around town.

I wonder what would happen if you actually ran it until the maintenance light came on after... 20,000 miles. I think this oil would be toast and the report wouldn't look so good. duh


2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart. (thanks Advance Auto Parts for the awesome deal)
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: Danh] #4601177
12/12/17 01:10 AM
12/12/17 01:10 AM
Joined: Mar 2015
Posts: 5,040
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,040
Virginia
Ask Ford... Why they had to go back up to 5w30 in some of their Ecoboost motors. Fuel dilution in the crankcase.

Last edited by bbhero; 12/12/17 01:11 AM.

Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4601236
12/12/17 06:23 AM
12/12/17 06:23 AM
Joined: Jun 2016
Posts: 551
South OZ
KL31 Offline
KL31  Offline
Joined: Jun 2016
Posts: 551
South OZ
Looks like less fuel dilution is seeing less wear metals though. That second OCI looks so low in viscosity. Low even for a 0W16.


95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4601380
12/12/17 10:07 AM
12/12/17 10:07 AM
Joined: Oct 2009
Posts: 3,239
Wet side WA
JohnnyJohnson Online content
JohnnyJohnson  Online Content
Joined: Oct 2009
Posts: 3,239
Wet side WA
A new CX-5 and you've already voided your warranty!


2004 Corolla 124900
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: JohnnyJohnson] #4601398
12/12/17 10:14 AM
12/12/17 10:14 AM
Joined: Dec 2005
Posts: 9,909
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 9,909
Upper Midwest
Originally Posted By: JohnnyJohnson
A new CX-5 and you've already voided your warranty!

Really? How? Can you post the wording from his owner's manual where it states that anything he did here violates the warranty?


1994 BMW 530i, 229K
1996 Honda Accord, 263K
1999 Toyota Sienna, 402K
2000 Toyota ECHO, 272K
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: JohnnyJohnson] #4601400
12/12/17 10:16 AM
12/12/17 10:16 AM
Joined: Mar 2017
Posts: 5,484
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,484
...
Originally Posted By: JohnnyJohnson
A new CX-5 and you've already voided your warranty!




Why is that?



Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: PimTac] #4601413
12/12/17 10:24 AM
12/12/17 10:24 AM
Joined: Oct 2009
Posts: 3,239
Wet side WA
JohnnyJohnson Online content
JohnnyJohnson  Online Content
Joined: Oct 2009
Posts: 3,239
Wet side WA
Originally Posted By: PimTac
Originally Posted By: JohnnyJohnson
A new CX-5 and you've already voided your warranty!




Why is that?


He went over 10K miles

http://www.serramazda.com/blog/often-need-change-oil-2016-mazda-cx-5/


2004 Corolla 124900
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4601427
12/12/17 10:33 AM
12/12/17 10:33 AM
Joined: Mar 2017
Posts: 5,484
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,484
...
That is a dealer link. The Mazda OLM could push the oci over 10k. But I will agree in point that 10k is too long. The OP should try 7500 miles. He appears to be driving a lot so I assume this is highway miles for the most part.



Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: PimTac] #4601433
12/12/17 10:39 AM
12/12/17 10:39 AM
Joined: Oct 2009
Posts: 3,239
Wet side WA
JohnnyJohnson Online content
JohnnyJohnson  Online Content
Joined: Oct 2009
Posts: 3,239
Wet side WA
Originally Posted By: PimTac
That is a dealer link. The Mazda OLM could push the oci over 10k. But I will agree in point that 10k is too long. The OP should try 7500 miles. He appears to be driving a lot so I assume this is highway miles for the most part.


I totally agree on the 7.5K anything else would like put your warranty in question. They have an out they stated something about sever service but not exactly in those words. You just don't want to give any dealer an out on a warranty because 99.9% of the time their going to take the out.


2004 Corolla 124900
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: JohnnyJohnson] #4601441
12/12/17 10:48 AM
12/12/17 10:48 AM
Joined: Dec 2005
Posts: 9,909
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 9,909
Upper Midwest
Originally Posted By: JohnnyJohnson
I totally agree on the 7.5K anything else would like put your warranty in question. They have an out they stated something about sever service but not exactly in those words. You just don't want to give any dealer an out on a warranty because 99.9% of the time their going to take the out.

Still though there is no language anywhere that ties it to the new vehicle warranty. People say that a lot on here yet there is nothing that shows it to be the case.


1994 BMW 530i, 229K
1996 Honda Accord, 263K
1999 Toyota Sienna, 402K
2000 Toyota ECHO, 272K
Re: Mobil EP 0w20 - 10,082 miles - CX5 w/ 2.5l [Re: RamFan] #4601447
12/12/17 10:52 AM
12/12/17 10:52 AM
Joined: Mar 2017
Posts: 5,484
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,484
...
I believe the point is that the oil is more than capable of 10-15k change intervals but the engine needs a more conservative interval. With the op driving so much, increasing his intervals makes sense with a good oil but only as far as the engine will allow before fuel dilution becomes a problem.

On the other hand we have uoas posted here with high fuel dilution yet the wear numbers are excellent. Are modern oils capable of handling 3-5% fuel dilution without degradation? The answer is somewhere in the labs of big oil but the results are convincing here at BITOG.



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