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#4689666 - 03/09/18 02:23 PM M1 5w30 Factory Fill, 1111 miles, 2018 Corvette
Patman Offline



Registered: 05/27/02
Posts: 20346
Loc: Oakville, Ontario
Here are the first oil analysis results for my 2018 Corvette, analysis done by Wearcheck Canada:


1,111 miles on oil
Nov, 2017 to Mar 3, 2018 (4 months)
1,111 miles on engine
Mobil 1 5w30 (factory fill)
AC Delco PF64 oil filter
7 quart oil capacity
No make up oil


Iron 48
Lead 2.7
Aluminum 3.5
Copper 36
Chromium 0.8
Nickel 0
Tin 0.8
Silver 0
Vanadium 0

Silicon 124
Potassium 6.2
Sodium 4.5
Sulfur 1637

Moly 151
Boron 82
Titanium 0
Calcium 1217
Magnesium 446
Manganese 2.1
Antimony 1.4
Barium 0.3
Lithium 0.3
Beryllium 0
Cadmium 0


Phosphorus 623
Zinc 771

Oxidation 28%
Nitration 26%
Sulfation 35%

Soot 0
Glycol 0
Water 0
Fuel 2%


Viscosity at 100c 9.3
Viscosity at 40c 51.3
Viscosity Index 165


I put in Mobil 1 5w30 again and an AC Delco PF64 filter. Hopefully on the next oil change I will be able to find the new Mobil 1 0w40 ESP that is now the factory fill on the 2019 Corvettes (which went into production the last week of January) I will probably do the second oil change as soon as I can get that new oil, it's slated to hit retail outlets the end of this summer (GM dealers were supposed to start getting it Feb 1st, but very few of them have it so far)

GM calls for a 500 mile oil change on the dry sump Corvettes but mine is the wet sump and they don't call for that early change but I'm glad I decided to do mine early, with the high amount of silicon (from new gaskets and assembly lube) and the little bit of fuel (I'm sure the engine got started and shut off cold a few times before it arrived at the dealer, and probably had a lot of idling too)

Iron is high, copper is high, but both of those will settle down once the engine breaks in.








_________________________
2018 Corvette (M1 5w30 ESP & Fram Ultra)
2006 Civic EX Coupe (PUP 5w20 & Fram Ultra)
2010 BMW 328i X-Drive (GC 0w40 & Mann)


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#4689676 - 03/09/18 02:34 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Eddie Offline


Registered: 12/07/03
Posts: 9570
Loc: Florida, Cape Coral
Reason for the extra early oil change with a dry sump? Ed
_________________________
CX5 Touring 2.5L :-)

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#4689688 - 03/09/18 02:47 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Patman Offline



Registered: 05/27/02
Posts: 20346
Loc: Oakville, Ontario
Because the silicone leaches out of the seals used in the dry sump system, which degrades the anti-foaming additive of the oil.

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#4689703 - 03/09/18 03:00 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
CT8 Offline


Registered: 10/09/14
Posts: 11003
Loc: Idaho
I like early first oil changes . The diffs and tranny as well
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4689891 - 03/09/18 06:37 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: CT8]
Nyquist Offline


Registered: 10/24/08
Posts: 967
Loc: Iowa
I also change the oil early in a new car for the aforementioned reasons.
_________________________
2015 Chevy Traverse 3.6L (LLT) Mobil 1 5w30 w/ Fram Ultra
2017 Chevy Cruze Hatchback 1.4L (LE2) Mobil 1 5w30 w/ Wix

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#4689893 - 03/09/18 06:39 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Marco620 Offline


Registered: 02/25/14
Posts: 2186
Loc: Deplorable Kansan,HK fan!
Changed mine at 4k on the Honda and then again at 10k. Honda says to run full fledged but after talking to Dave at Redline he thought 5k was enough to get the moly break in additive they use broke in. Went to 0w20 Castrol Magnatec with the filter full of Lubegard Biotech. I guess after about 1500 miles its broken in.
_________________________
2015 Civic 162k mi.0w20 Redline/Archoil,HPS SRI,Yokohama/Moog links Borla Exhaust/Vibrant Resonator/Tein Suspension
Go Nashville Predators!

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#4689960 - 03/09/18 07:42 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Patman Offline



Registered: 05/27/02
Posts: 20346
Loc: Oakville, Ontario
One interesting thing I noticed with this UOA is that compared to other UOAs with M1 5w30, this one shows about double the moly and double the boron, but about half the magnesium.

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#4690026 - 03/09/18 09:05 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
tig1 Offline


Registered: 01/03/09
Posts: 13661
Loc: Illinois
Originally Posted By: Patman
One interesting thing I noticed with this UOA is that compared to other UOAs with M1 5w30, this one shows about double the moly and double the boron, but about half the magnesium.


I noticed the Moly also. Perhaps this is a special blend for the Vette for a break in oil. shrug
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4690059 - 03/09/18 09:49 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
JHZR2 Offline



Registered: 12/14/02
Posts: 41791
Loc: New Jersey
I was wondering about the moly too...

Silicon and wear metals aren't a concern at this point.

Why go for an ESP oil in this vehicle?? Full disclosure - I'm interested in doing the same in my 135i.

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#4690102 - 03/09/18 11:06 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Patman Offline



Registered: 05/27/02
Posts: 20346
Loc: Oakville, Ontario
It's GM's new recommendation to go with the ESP formula of 0w40, it's a tweaked version of the existing 0w40 ESP from Europe.

I'm still glad I drained this oil early, it's a bit more contaminated than I thought it would be, and I don't like the fact that it's already a 5w20 thanks to the fuel dilution.

I now feel like one of the reasons that GM is recommending 0w40 for this engine is because they saw that the DI was causing more fuel dilution than they anticipated, and they don't want all of these engines out there being driven hard with 20 weight oil. With the new 0w40 having a starting viscosity of 12.9 cst at 100c, it could still drop down a couple of points and be equal to the starting viscosity of M1 5w30 (which is 11.0 cst at 100c)

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#4690125 - 03/09/18 11:35 PM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Stevie Offline


Registered: 11/08/04
Posts: 182
Loc: Port Aransas, TX
Very interesting. Thanks for sharing. I changed the oil in my Ninja 1000 at 75 miles. Changed on wife's Elantra at 1000 miles. Like to get the abrasives out of there.


Edited by Stevie (03/09/18 11:37 PM)

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#4690185 - 03/10/18 05:09 AM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Shannow Offline


Registered: 12/12/02
Posts: 39912
Loc: 'Stralia
moly could be from some assembly stuff...but as per the TGMO fanaticism, nothing says that the M1 5W30 that's on your fil cap has anything to do with the M1 5W30 on Walmart's shelves.

Originally Posted By: Patman
With the new 0w40 having a starting viscosity of 12.9 cst at 100c, it could still drop down a couple of points and be equal to the starting viscosity of M1 5w30 (which is 11.0 cst at 100c)


HTHS s actually what keeps the bearings apart, so 3.5 to 3.0 is a BIG difference, more than 10%...and HTHS loss is about half the KV100 loss.

It's a big change.

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#4693272 - 03/13/18 10:06 AM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
Bjornviken Offline


Registered: 12/06/17
Posts: 245
Loc: Finland
acea c3 oil in a petrol car is not good. If the old Mobil 1 0w-40 was still around it would be recommended for the vettes. If you have fuel without ethanol in US then the 0w-40 esp will be ok.

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#4693277 - 03/13/18 10:17 AM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: Patman]
mightymousetech Offline


Registered: 04/03/17
Posts: 1444
Loc: Ontario, Canada
I would not be using a mid saps oil (Mobil1 ESP) with our fuel here in North America.


Edited by mightymousetech (03/13/18 10:17 AM)
_________________________
Mighty Mouse Tech
Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

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#4693307 - 03/13/18 10:50 AM Re: M1 5w30 Factory Fill, 2018 Corvette, 1111 miles [Re: mightymousetech]
Patman Offline



Registered: 05/27/02
Posts: 20346
Loc: Oakville, Ontario
Originally Posted By: mightymousetech
I would not be using a mid saps oil (Mobil1 ESP) with our fuel here in North America.


Why is that?

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