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M1 10W30 vs. M1 5W30 Dexos 1 ? #4507421
09/04/17 04:33 PM
09/04/17 04:33 PM
Joined: Sep 2010
Posts: 2,097
GA.
ChrisD46 Offline OP
ChrisD46  Offline OP
Joined: Sep 2010
Posts: 2,097
GA.
While both above oils are SN , starburst seal oils - only the M1 5W30 oil is Dexos 1 approved . I get that there is no need for a Dexos 1 approved M1 10W30 - mainly curious what the M1 10W30 may be missing in the way of ad pak , etc. as compared to the Dexos 1 approved M1 5W30 and if there is much difference in performance with the M1 10W30 ?


2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4507438
09/04/17 04:53 PM
09/04/17 04:53 PM
Joined: Jan 2009
Posts: 13,973
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,973
Illinois
Probably nothing except the thicker wt on start.


2007 Ford Fusion 235,000 miles
M1 0-20 EP
2017 Ford Fusion 60K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4507454
09/04/17 05:27 PM
09/04/17 05:27 PM
Joined: Feb 2008
Posts: 1,116
PA
umungus1122 Offline
umungus1122  Offline
Joined: Feb 2008
Posts: 1,116
PA
Most likely simply isn't tested and certified. That'd cost money.


'95 Chevy 1/2t 305 208k -NexGen Maxlife 5w-30, Wix filter
'89 Jeep Comanche 4.0 278k - GC 0w-30, Bosch LongLife filter
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4507462
09/04/17 05:36 PM
09/04/17 05:36 PM
Joined: Sep 2015
Posts: 3,937
Connecticut
69GTX Offline
69GTX  Offline
Joined: Sep 2015
Posts: 3,937
Connecticut
The 5w-30 has a higher HTHS (3.1 vs. 3.0) and a higher KV at 100c (11.0 vs. 10.1).


----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4507475
09/04/17 05:45 PM
09/04/17 05:45 PM
Joined: Jun 2011
Posts: 1,802
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,802
Crawfordville FL
Originally Posted By: ChrisD46
While both above oils are SN , starburst seal oils - only the M1 5W30 oil is Dexos 1 approved . I get that there is no need for a Dexos 1 approved M1 10W30 - mainly curious what the M1 10W30 may be missing in the way of ad pak , etc. as compared to the Dexos 1 approved M1 5W30 and if there is much difference in performance with the M1 10W30 ?


I believe it meets all dexos1 standards EXCEPT fuel economy. It's not missing anything.


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4507485
09/04/17 05:51 PM
09/04/17 05:51 PM
Joined: Jul 2015
Posts: 4,651
Down Under
SR5 Offline
SR5  Offline
Joined: Jul 2015
Posts: 4,651
Down Under
I do not think that 10W30 is a dexos approved viscosity grade. Simple as that. If it was I'm sure M1 10W30 would pass Dexos approval.

I think GM are trying to simplify how much an average owner (non-BITOG) needs to think about oil. If it's Dexos it's good. By selecting 5W30 over 10W30 for the dexos 30 grade, it should work in all climates, including the very cold.


---------------------------------------------------------------------------------
Castrol GTX Ultraclean 15W40 A3/B3 + Wesfil-Cooper Z154
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: 69GTX] #4507568
09/04/17 07:07 PM
09/04/17 07:07 PM
Joined: Sep 2010
Posts: 2,097
GA.
ChrisD46 Offline OP
ChrisD46  Offline OP
Joined: Sep 2010
Posts: 2,097
GA.
The KV @ 100C. difference is interesting as the 5W30 is 11.0 vs. the 10.1 of the 10W30 .
Originally Posted By: 69GTX
The 5w-30 has a higher HTHS (3.1 vs. 3.0) and a higher KV at 100c (11.0 vs. 10.1).


2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4507592
09/04/17 07:25 PM
09/04/17 07:25 PM
Joined: Sep 2004
Posts: 103
South La
passgas55 Offline
passgas55  Offline
Joined: Sep 2004
Posts: 103
South La
I would like to see the difference between Mobil 1 5/30 and Mobil 1 HM 10/30. I would pick the M1 HM 10/30
over the M1 5/30 even if it is DEXOS.

Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: passgas55] #4507805
09/05/17 05:54 AM
09/05/17 05:54 AM
Joined: Oct 2007
Posts: 952
South East Asia
kr_bitog Offline
kr_bitog  Offline
Joined: Oct 2007
Posts: 952
South East Asia
Originally Posted By: passgas55
I would like to see the difference between Mobil 1 5/30 and Mobil 1 HM 10/30. I would pick the M1 HM 10/30
over the M1 5/30 even if it is DEXOS.


Mobil1 HM 10w30 is a thick 30 oil, almost 40 weight with HTHS 3.8, where M1 5w-30 is thin oil with HTHS 3.0.
Recently I gave up with M1 non EP due to shear very fast, for HM I find it is great especially on the clean up effect.

Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4508099
09/05/17 12:10 PM
09/05/17 12:10 PM
Joined: Sep 2015
Posts: 3,937
Connecticut
69GTX Offline
69GTX  Offline
Joined: Sep 2015
Posts: 3,937
Connecticut


----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4508324
09/05/17 05:33 PM
09/05/17 05:33 PM
Joined: Sep 2010
Posts: 2,097
GA.
ChrisD46 Offline OP
ChrisD46  Offline OP
Joined: Sep 2010
Posts: 2,097
GA.
I was referring to M1 10W30 (not HM) which is a 3.1 HTHS


2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder
Re: M1 10W30 vs. M1 5W30 Dexos 1 ? [Re: ChrisD46] #4508863
09/06/17 08:37 AM
09/06/17 08:37 AM
Joined: Sep 2015
Posts: 3,937
Connecticut
69GTX Offline
69GTX  Offline
Joined: Sep 2015
Posts: 3,937
Connecticut
I was referring to the post directly above mine which stated M1 10w-30 HM has HTHS of 3.8...rather than 3.5.


----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs

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