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0W40 in a 0w20 spec vehicle? #2803902
11/15/12 06:10 PM
11/15/12 06:10 PM
Joined: Jan 2006
Posts: 10
NoWhere
barrysuperhawk Offline OP
barrysuperhawk  Offline OP
Joined: Jan 2006
Posts: 10
NoWhere
I just traded cars and switched from a AMG mercedes to a Dodge Dakota. Looking at the spec's for the Dakota [4.7 V8] it asks for 0w20. I happen to have a metric ton of 0W40 Euro spec Mobil1 left over from the mercedes, [like 6+ cases] and all of my oil analysis seems to point to this oil being some of the best Mobil1 makes.

Is there any reason I wouldn't be able to use the 0w40 in place of the 0w20?

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803904
11/15/12 06:10 PM
11/15/12 06:10 PM
Joined: Oct 2012
Posts: 635
CA
MarkStock Offline
MarkStock  Offline
Joined: Oct 2012
Posts: 635
CA
Yes. You sold it to me for a $ a quart.

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803907
11/15/12 06:14 PM
11/15/12 06:14 PM
Joined: Jan 2006
Posts: 10
NoWhere
barrysuperhawk Offline OP
barrysuperhawk  Offline OP
Joined: Jan 2006
Posts: 10
NoWhere
Er, cool a fill-in-the-blank problem... Let's say $10...

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803909
11/15/12 06:15 PM
11/15/12 06:15 PM
Joined: Nov 2005
Posts: 10,140
Burlington, Ontario, Canada
CATERHAM Offline
CATERHAM  Offline
Joined: Nov 2005
Posts: 10,140
Burlington, Ontario, Canada
If you can get some very light high VI 0W-20 like the Toyota 0W-20 or even better the Sustina 0W-20 and blend it 50/50 to produce a 0W-30, you're still heavier than necessary but not so much.


-'74 Lotus Europa, 5W-50 & VSOT
-'96 BMW 328i, 50/50 TGMO 0W-20/M1 0W-40
-'94 Caterham 7, FUCHS 0W-20
-'18 Tesla Model 3 - FF diff' oil
Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803916
11/15/12 06:19 PM
11/15/12 06:19 PM
Joined: Oct 2012
Posts: 635
CA
MarkStock Offline
MarkStock  Offline
Joined: Oct 2012
Posts: 635
CA
Originally Posted By: barrysuperhawk
Er, cool a fill-in-the-blank problem... Let's say $10...


Ditto:

Let's say $10 for 6 cases

Seriously, I'm about to buy 5 quarts and a $12 M1 filter for $30 at Pepboys. It'll be SN.

Is your stock even SM?

So we can get 0w40 in non bulk quantities, fresh SN, for less than $4 a quart, and you want to sell in bulk for $10 a quart?

Perhaps this is the same logic that led you to stash 6 cases worth of it.

Last edited by MarkStock; 11/15/12 06:21 PM.
Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803919
11/15/12 06:22 PM
11/15/12 06:22 PM
Joined: Feb 2011
Posts: 1,437
Indiana
Gabe Offline
Gabe  Offline
Joined: Feb 2011
Posts: 1,437
Indiana
I don't get it.

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803927
11/15/12 06:30 PM
11/15/12 06:30 PM
Joined: Jan 2006
Posts: 10
NoWhere
barrysuperhawk Offline OP
barrysuperhawk  Offline OP
Joined: Jan 2006
Posts: 10
NoWhere
No, the point was that I DON'T want to sell it, I want to USE it. I just didn't feel like being kind to a smart-alek that seems to have hi-jacked my thread...


I got it recently [within a month] because I didn't know I was going to trade the AMG, and that [censored] thing took 8.5 LITERS per oil change, so 6 cases wasn't really that much..

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803936
11/15/12 06:34 PM
11/15/12 06:34 PM
Joined: Mar 2010
Posts: 2,437
Mn
Lead Shoes Offline
Lead Shoes  Offline
Joined: Mar 2010
Posts: 2,437
Mn
Originally Posted By: barrysuperhawk
No, the point was that I DON'T want to sell it, I want to USE it. I just didn't feel like being kind to a smart-alek that seems to have hi-jacked my thread...


That attitude wont get you many serious responses here Cheers2

Either 50/50 the oil with a light 0w20, use it as is, or sell it.

Last edited by Brenden; 11/15/12 06:36 PM.

1999 BMW M3 109k
Castrol 0w40/Mahle
2013 328ix 78k
PP 0w40/Mahle

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803937
11/15/12 06:35 PM
11/15/12 06:35 PM
Joined: Nov 2012
Posts: 2,479
Nowthen, MN
KD0AXS Offline
KD0AXS  Offline
Joined: Nov 2012
Posts: 2,479
Nowthen, MN
It's not ideal for that engine, but I see no reason it would hurt anything. I say since you have it on hand, you might as well use it rather than let it go to waste.

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803948
11/15/12 06:39 PM
11/15/12 06:39 PM
Joined: Oct 2011
Posts: 5,091
USA
NHGUY Offline
NHGUY  Offline
Joined: Oct 2011
Posts: 5,091
USA
Went from a Mercedes to a Dodge Dakota? That should show them Germans!(Daimler once owned Chrysler in a bid to fleece and destroy the company).I would take 5 Dakotas over 1 Mercedes,Dr Z sickens me.

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803949
11/15/12 06:39 PM
11/15/12 06:39 PM
Joined: Oct 2005
Posts: 7,094
Colorado
Kuato Offline
Kuato  Offline
Joined: Oct 2005
Posts: 7,094
Colorado
IMHO that is awful heavy for a vehicle spec'd for a 20 wt oil; however if earlier versions were 30 weight it might be fine.


Thick vs Thin test: 15k / 43k miles complete
Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803951
11/15/12 06:40 PM
11/15/12 06:40 PM
Joined: Jun 2009
Posts: 3,247
Indiana
OtisBlkR1 Offline
OtisBlkR1  Offline
Joined: Jun 2009
Posts: 3,247
Indiana
i deffinately wouldnt use the 40wt in cold weather.. in the summer you could blend and get a 30wt that isnt such a big deal.


06 Silverado 92,xxx Mobil 5-30
11 Honda Accord 38,xxx Mobil 1
06 Milan 69,000 Mobil 1
12 Ranger 800XP & 14 TRX 450R

Re: 0W40 in a 0w20 spec vehicle? [Re: Kuato] #2803955
11/15/12 06:42 PM
11/15/12 06:42 PM
Joined: Nov 2012
Posts: 2,479
Nowthen, MN
KD0AXS Offline
KD0AXS  Offline
Joined: Nov 2012
Posts: 2,479
Nowthen, MN
Originally Posted By: Kuato
IMHO that is awful heavy for a vehicle spec'd for a 20 wt oil; however if earlier versions were 30 weight it might be fine.


Yes, they did. We used to have a Grand Cherokee with the 4.7, which called for 5W-30.

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803971
11/15/12 06:48 PM
11/15/12 06:48 PM
Joined: Sep 2012
Posts: 1,044
Coldtown, Canada
RiceCake Offline
RiceCake  Offline
Joined: Sep 2012
Posts: 1,044
Coldtown, Canada
[censored]... Lets get to actual numbers...

M1 0W-40 is a light 40, your engine more then likely happily ran on 5W-30 years ago and probably still could. A 20 weight would be better for fuel economy though. A 40 weight like a 15W-40 HDEO would be brutal in winter and probably even thicker, but because you're talking about a 0W-40 it would probably be just fine. Short trips though would mean the oil would likely stay very thick, and overall it will be pretty brutal on mileage.

But running M1 0W-40 probably wouldn't damage anything. It would just hamper MPG. I've run 0W-40 in my car before, never made a difference (never checked MPG though).

Re: 0W40 in a 0w20 spec vehicle? [Re: barrysuperhawk] #2803981
11/15/12 06:51 PM
11/15/12 06:51 PM
Joined: Dec 2004
Posts: 9,631
1/2 hr N.E. of Detroit
Triple_Se7en Offline
Triple_Se7en  Offline
Joined: Dec 2004
Posts: 9,631
1/2 hr N.E. of Detroit
Originally Posted By: barrysuperhawk
I just traded cars and switched from a AMG mercedes to a Dodge Dakota. Looking at the spec's for the Dakota [4.7 V8] it asks for 0w20. I happen to have a metric ton of 0W40 Euro spec Mobil1 left over from the mercedes, [like 6+ cases] and all of my oil analysis seems to point to this oil being some of the best Mobil1 makes.

Is there any reason I wouldn't be able to use the 0w40 in place of the 0w20?


Your location is listed as ""NoWhere"

Are we supposed to guess as to whether you live in a warm climate or cold climate?

Climate does make a difference with this topic.


Merry Christmas and Happy New Year to all BITOG Members.
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