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#3140678 - 09/30/13 03:38 PM Re: To use 0W30 in place of 5W30. [Re: ARCOgraphite]
tig1 Offline


Registered: 01/03/09
Posts: 9871
Loc: Illinois
Originally Posted By: ARCOgraphite
Not really. lUBRICANTYS ARE chosen with a viscosity range to give good service life to the machinery as designed and its operating environment.
Some thin oils will sacrifice lubricity for cold flowability. There are tradeoffs as in most anything.


How is M1 0-30 a "thin oil" compared to other 30wt oils?
_________________________
2007 Ford Fusion 145,000 miles
M1 0-20
2007 Ford Focus 129,000 miles
M1 0-20
10,000 mile OCIs on both engines
M1 ATF
M1 10-30 in all OPE

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#3141262 - 10/01/13 08:50 AM Re: To use 0W30 in place of 5W30. [Re: stchman]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8614
Loc: N.H, U.S.A.
I was answering a general question about "better flowing oil" not necessarily 0w vs 5w . I think I might want a ow for a minus 30C startup - not that I would ever start a poor engine at miunus 30C, thank goodnesss! Id be inside my cabin cuddled up by the woodstove sipping Asam tea smile


Edited by ARCOgraphite (10/01/13 08:52 AM)
_________________________
2014 Nissan Note S 5MT, OC#1 1630mi-PGB 5W30+NISSAN Mexico 65F0C Filter
2015 Forester 6MT 5Door, OC#1 4361mi-VSP 0W20(?)+ Blue service "FRAM" Filter

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#3141364 - 10/01/13 10:20 AM Re: To use 0W30 in place of 5W30. [Re: stchman]
gpshumway Offline


Registered: 06/18/08
Posts: 415
Loc: Minneapolis, MN
Mobil1 Advanced Fuel Economy 0w30 is the only commonly available ILSAC GF-5 0w30 in the US. It's an excellent oil and will serve your Silverado well. But (there's always a but), there is little reason to use it in St. Louis. The difference between AFE 0w30 and a good synthetic 5w30 like M1 or Pennzoil Platinum is negligible above freezing and very minor down to 0*F. It's only at very cold temperatures like -15*F and below where the 0w30 will show benefits.

I say this as a general advocate of 0w30. My father uses M1 AFE 0w30 in his Subaru which specs 5w30, with great results, but he lives in frigid Northern Minnesota, where the benefits of 0w30 are relevant.
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#3141370 - 10/01/13 10:26 AM Re: To use 0W30 in place of 5W30. [Re: gpshumway]
TheBig2003 Offline


Registered: 03/09/12
Posts: 112
Loc: Nepean, Ontario
Originally Posted By: gpshumway
Mobil1 Advanced Fuel Economy 0w30 is the only commonly available ILSAC GF-5 0w30 in the US. It's an excellent oil and will serve your Silverado well. But (there's always a but), there is little reason to use it in St. Louis. The difference between AFE 0w30 and a good synthetic 5w30 like M1 or Pennzoil Platinum is negligible above freezing and very minor down to 0*F. It's only at very cold temperatures like -15*F and below where the 0w30 will show benefits.
+1
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2006 Magnum RT AWD-Turbo - 10W30 EDGE DL16 - Daily Driver
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#3141774 - 10/01/13 05:39 PM Re: To use 0W30 in place of 5W30. [Re: stchman]
Merkava_4 Offline


Registered: 01/30/07
Posts: 9416
Loc: Clovis, CA
What's the cSt difference between 0W-30 and 5W-30 ?

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#3141904 - 10/01/13 08:00 PM Re: To use 0W30 in place of 5W30. [Re: stchman]
artificialist Offline


Registered: 09/23/07
Posts: 6899
Loc: Florida
Theoretically a 5w30 would have less shear than a 0w30, however, only oil analysis can show if it is happening.
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#3142068 - 10/01/13 10:13 PM Re: To use 0W30 in place of 5W30. [Re: kschachn]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 3566
Loc: Cajun Country, La.
Originally Posted By: kschachn
So does ExxonMobil.

Isn't this about the 8,000,000th time this question was asked?

Originally Posted By: volk06
GM says 0w-30 is ok to use in place of 5w30

5W20 VS 5W30 hide
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#3142070 - 10/01/13 10:15 PM Re: To use 0W30 in place of 5W30. [Re: kschachn]
demarpaint Offline


Registered: 07/03/05
Posts: 21381
Loc: NY
Originally Posted By: kschachn
So does ExxonMobil.

Isn't this about the 8,000,000th time this question was asked?


8,000,001, but who's counting?
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#3142432 - 10/02/13 10:37 AM Re: To use 0W30 in place of 5W30. [Re: stchman]
Durango Offline


Registered: 02/15/07
Posts: 2045
Loc: Los Angeles, California
I wanted to use/try this in my Durango a few year back but another forum advised me not to do it. He sited wearing out my bearings due to too thin of an oil despite the fact that Mobil say it's a replacement for 5W-30 oil and you'll increase you MPG a little more.

Durango

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#3145776 - 10/05/13 10:17 AM Re: To use 0W30 in place of 5W30. [Re: Durango]
kschachn Offline


Registered: 12/26/05
Posts: 2678
Loc: Upper Midwest
And you believe this why?

Originally Posted By: Durango
I wanted to use/try this in my Durango a few year back but another forum advised me not to do it. He sited wearing out my bearings due to too thin of an oil despite the fact that Mobil say it's a replacement for 5W-30 oil and you'll increase you MPG a little more.

Durango
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1994 BMW 530i, 189K
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#3145912 - 10/05/13 02:02 PM Re: To use 0W30 in place of 5W30. [Re: Durango]
OVERKILL Offline


Registered: 04/28/08
Posts: 26520
Loc: Ontario, Canada
Originally Posted By: Durango
I wanted to use/try this in my Durango a few year back but another forum advised me not to do it. He sited wearing out my bearings due to too thin of an oil despite the fact that Mobil say it's a replacement for 5W-30 oil and you'll increase you MPG a little more.

Durango


How is it too thin? Anything below operating temperature both grades THICKEN crzy

Sounds like somebody (the guy you were talking to) doesn't understand viscosity.....
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#3145987 - 10/05/13 03:26 PM Re: To use 0W30 in place of 5W30. [Re: stchman]
StevieBoy Offline


Registered: 08/06/12
Posts: 130
Loc: Central Florida
OVERKILL is right. 0W-30, 5W-30, 10W-30 are theoretically the same viscosity at operating temps.


Edited by StevieBoy (10/05/13 03:27 PM)
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#3146014 - 10/05/13 04:12 PM Re: To use 0W30 in place of 5W30. [Re: stchman]
fdcg27 Online   content


Registered: 09/25/09
Posts: 9441
Loc: OH
If you want to spring for a syn for your engine, there'd be no reason not to use M1 0W-30.
The M1 site recommends this oil for every 5W-30 application I've ever looked at and the UOA forum shows that AFE holds up very well in use.
AFE in either the 0W-20 or 0W-30 grades is probably the best M1 oil offered in this country, along with the 0W-40 for those applications that need it.
If I didn't have a large stash of Ultra/PP/QSUD/G-Oil/Syntec/HGMO/SSO I'd have stocked up on a few changes of M1 AFE when Walmart had it for $22.47/jug.
It's a no-brainer IMHO.
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12 Accord LX 22K HGMO 0W-20
09 Forester 64K PU 5W-30
02 Accord 127K G-Oil 5W-30
01 Focus ZX3 98K Synpower 10W-30
95 BMW 318iC 149K Defy 10W-40

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#3330113 - 04/01/14 09:12 AM Re: To use 0W30 in place of 5W30. [Re: stchman]
JD4440 Offline


Registered: 04/24/10
Posts: 255
Loc: Orlinda, TN
I can't say I really understand viscosity eithr. My walmart has about 2 cases of 0w30 afe for 5bucks a qt. Had never considered a 0w before for my yukon. I use 5w30 ultra currently. Anything to help my 15 mpg is welcome.
_________________________

o6 duramax = Mobil Delvac
o6 Vortec 8.1 = Shell 10w-30
o4 Yukon = PU 5w-30
97 K1500 = 10w-40 HM
2008 Hustler Z = Amsoil ACD

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#3330193 - 04/01/14 10:43 AM Re: To use 0W30 in place of 5W30. [Re: JD4440]
HangFire Offline


Registered: 08/21/13
Posts: 519
Loc: Central Maryland
Originally Posted By: JD4440
I can't say I really understand viscosity eithr. My walmart has about 2 cases of 0w30 afe for 5bucks a qt. Had never considered a 0w before for my yukon. I use 5w30 ultra currently. Anything to help my 15 mpg is welcome.


0w-30 will help you get about 1-2% better MPG in Winter until your engine warms up, which means you'll never see the difference in a measurable way.

Of course it won't hurt your engine at all. The way I see it, if a quality synthetic 0w-30 happened to be on sale for less than your usual 5w-30, there's no reason not to try it.

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