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#4779720 - 06/06/18 11:06 PM Difference in XW-30s
Ruby2013Elantra Offline


Registered: 01/13/13
Posts: 38
Loc: Arizona
I recently switched both my vehicles on over to Amsoil 0W-30 and loving it. Both vehicles drive beautifully and its a noticeable difference from what each vehicle specs. Needless to say, won't be going back to the thinner oil.

My question now though, what is the difference between 0W and 5W, besides the cold starts? When I first asked the question here about choosing one oil for both vehicles, someone suggested to stick with 0W for the base stocks and add pack. Guess I want to learn more about this before I make my next oil purchase.

Thank you.


Edited by Ruby2013Elantra (06/06/18 11:06 PM)
_________________________
2006 F150 "Pearl"
2017 CR-V "The Ron"

2013 Elantra "Ruby" - RIP

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#4779722 - 06/06/18 11:07 PM Re: XW-30 [Re: Ruby2013Elantra]
aquariuscsm Offline


Registered: 12/30/06
Posts: 18458
Loc: Dallas,Tx USA
Some 0W20's are thicker at operating temperatures over 5W20's.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W30


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#4779787 - 06/07/18 05:11 AM Re: XW-30 [Re: Ruby2013Elantra]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1692
Loc: Crawfordville FL
The 0w have to meet different pumpability requirements at a lower temp than 5w. To do this without a ton of VII basestocks with better cold flow properties are required.

From a protection standpoint, you’d be hard pressed to find a difference.
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4779860 - 06/07/18 07:24 AM Re: XW-30 [Re: Ruby2013Elantra]
JLTD Offline


Registered: 12/15/17
Posts: 934
Loc: US
In AZ, no difference really between 0 and 5; as you mentioned it is only when cold.

Since you like Amsoil, you could try their excellent SS 10w30....it is super stout and could probably go year round as long as your temps are above 0*F
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#4779913 - 06/07/18 08:30 AM Re: XW-30 [Re: Ruby2013Elantra]
rideahorse Offline


Registered: 01/01/15
Posts: 95
Loc: Charles City, Iowa
Why on earth would anyone run a 0w oil if it is above 0* F

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#4779920 - 06/07/18 08:35 AM Re: XW-30 [Re: rideahorse]
OVERKILL Offline


Registered: 04/28/08
Posts: 36759
Loc: Ontario, Canada
Originally Posted By: rideahorse
Why on earth would anyone run a 0w oil if it is above 0* F


Some engines actually call for one. My SRT calls for 0w-40 for example. Not that the Winter rating is overly relevant when it is 15C out like it is presently, but the higher output engines, and many Euro engines, spec a xW-40. GM's new Corvette fill is now 0w-40 as well.
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#4779951 - 06/07/18 08:58 AM Re: XW-30 [Re: Ruby2013Elantra]
barkingspider Offline


Registered: 12/22/13
Posts: 2077
Loc: socal
I tried 0w30 in my Escalade and there was zero difference vs 5 & 10w30 in it in SoCal.
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#4779953 - 06/07/18 08:59 AM Re: XW-30 [Re: rideahorse]
nap Offline


Registered: 04/27/18
Posts: 555
Loc: Canada
Originally Posted By: rideahorse
Why on earth would anyone run a 0w oil if it is above 0* F


Because 2 months later it could be so much colder and they don't fancy changing the oil that often?

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#4779961 - 06/07/18 09:13 AM Re: XW-30 [Re: rideahorse]
NGRhodes Offline


Registered: 01/06/13
Posts: 339
Loc: West Yorkshire, UK
One hunch I have is some 0w and 5w oils (eg. from SOPUS) are the same apart from different amounts of PPD in them, as the 40C and 100C KV and other figures are identical apart from the MRV/CCS numbers.

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#4779962 - 06/07/18 09:13 AM Re: XW-30 [Re: nap]
Ifixyawata Offline


Registered: 09/13/15
Posts: 546
Loc: NE Ohio
Originally Posted By: nap
Originally Posted By: rideahorse
Why on earth would anyone run a 0w oil if it is above 0* F


Because 2 months later it could be so much colder and they don't fancy changing the oil that often?


I think the real question is why anyone would 'ever' use the 'water-thin 0w EPA [censored] junk oil' but maybe I'm reading into things too far.
_________________________
2004 Mercury Mountaineer 4.6 M1 High Mileage 10w-40 (Summer)
2001 Ford Focus 2.0 Zetec Pennzoil Euro L 5w-30

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#4779972 - 06/07/18 09:23 AM Re: XW-30 [Re: Ifixyawata]
kschachn Online   content


Registered: 12/26/05
Posts: 9688
Loc: Upper Midwest
Originally Posted By: Ifixyawata
I think the real question is why anyone would 'ever' use the 'water-thin 0w EPA [censored] junk oil' but maybe I'm reading into things too far.

No, you haven't taken it far enough. Are you trying to suggest that the 0W-40 I use in my BMW is "water thin"? If so, you need to learn what the winter ratings mean rather than what you imagine they mean.

You seemed to think a 0W-XX oil was okay here:

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4631217/Re:_0W-40_pros_&_cons.#Post4631217
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1994 BMW 530i, 228K
1996 Honda Accord, 263K
1999 Toyota Sienna, 398K
2000 Toyota ECHO, 267K

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#4779975 - 06/07/18 09:27 AM Re: XW-30 [Re: rideahorse]
tig1 Offline


Registered: 01/03/09
Posts: 13763
Loc: Illinois
Originally Posted By: rideahorse
Why on earth would anyone run a 0w oil if it is above 0* F


Do you mean like the last 450K I have used 0-20 in my Fords? Answer: Because it performs so well.
_________________________
2007 Ford Fusion 230,000 miles
M1 0-20 EP
2017 Ford Fusion 53K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
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#4780001 - 06/07/18 10:21 AM Re: XW-30 [Re: Ruby2013Elantra]
PimTac Offline


Registered: 03/04/17
Posts: 4952
Loc: Soviet State of Washington
“...I think the real question is why anyone would 'ever' use the 'water-thin 0w EPA [censored] junk oil' but maybe I'm reading into things too far....”


Facepalm time.
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2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
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#4780004 - 06/07/18 10:24 AM Re: XW-30 [Re: Ifixyawata]
mightymousetech Offline


Registered: 04/03/17
Posts: 1480
Loc: Ontario, Canada
Originally Posted By: Ifixyawata
Originally Posted By: rideahorse
Why on earth would anyone run a 0w oil if it is above 0* F


I think the real question is why anyone would 'ever' use the 'water-thin 0w EPA [censored] junk oil' but maybe I'm reading into things too far.


Uh....what?


Edited by mightymousetech (06/07/18 10:24 AM)
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Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

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#4780042 - 06/07/18 11:24 AM Re: XW-30 [Re: mightymousetech]
Ifixyawata Offline


Registered: 09/13/15
Posts: 546
Loc: NE Ohio
Originally Posted By: kschachn
Originally Posted By: Ifixyawata
I think the real question is why anyone would 'ever' use the 'water-thin 0w EPA [censored] junk oil' but maybe I'm reading into things too far.

No, you haven't taken it far enough. Are you trying to suggest that the 0W-40 I use in my BMW is "water thin"? If so, you need to learn what the winter ratings mean rather than what you imagine they mean.

You seemed to think a 0W-XX oil was okay here:

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4631217/Re:_0W-40_pros_&_cons.#Post4631217
Originally Posted By: tig1
Originally Posted By: rideahorse
Why on earth would anyone run a 0w oil if it is above 0* F


Do you mean like the last 450K I have used 0-20 in my Fords? Answer: Because it performs so well.
Originally Posted By: PimTac
“...I think the real question is why anyone would 'ever' use the 'water-thin 0w EPA [censored] junk oil' but maybe I'm reading into things too far....”


Facepalm time.
Originally Posted By: mightymousetech
Originally Posted By: Ifixyawata
Originally Posted By: rideahorse
Why on earth would anyone run a 0w oil if it is above 0* F


I think the real question is why anyone would 'ever' use the 'water-thin 0w EPA [censored] junk oil' but maybe I'm reading into things too far.


Uh....what?


I guess my sarcasm was missed by all... sorry. Anytime someone uses 0w-X in anything there's always a person demanding explanation if said user isn't in the arctic circle. It's usually accompanied by the 'water thin' argument. Look at my post history, I'm a fan of 0w's and I even loaded up on the PP 0w-40 that was on clearance at WM recently.
_________________________
2004 Mercury Mountaineer 4.6 M1 High Mileage 10w-40 (Summer)
2001 Ford Focus 2.0 Zetec Pennzoil Euro L 5w-30

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