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M1 5w30 HM or 0w40 European #4503668
08/31/17 05:19 PM
08/31/17 05:19 PM
Joined: Jan 2016
Posts: 10
Ga
Timmer Offline OP
Timmer  Offline OP
Joined: Jan 2016
Posts: 10
Ga
Hello all, I have a 2002 Chevy Silverado 1500 5.3 with 196,000 miles....No engine problems or leaks other than piston slap when cold....My question is M1 0w40 European a good choice for this high mileage truck or should I go with M1 5w30 HM...I live in Georgia so the summers get pretty hot but winters are mild with a few nights of freezing temps....I used to use German Castrol 0w30 but it's no longer available....I plan on driving this truck until the wheels fall off so I want to use the best oil to keep her going for as long as possible....I would appreciate you folks advice...As always thank you.....

Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4503682
08/31/17 05:31 PM
08/31/17 05:31 PM
Joined: Dec 2003
Posts: 9,929
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,929
Florida, Cape Coral
Since the engine has no leaks, I would be inclined to use the M1 0w40. Why do you want to change what is working now? Ed


CX5 Touring 2.5L :-)
Re: M1 5w30 HM or 0w40 European [Re: Eddie] #4503693
08/31/17 05:41 PM
08/31/17 05:41 PM
Joined: Jan 2016
Posts: 10
Ga
Timmer Offline OP
Timmer  Offline OP
Joined: Jan 2016
Posts: 10
Ga
I just wondered if the 0w40 European would be too thick and does it have a better add pack than 5w30 HM....I don't drive the truck hard and normally change oil and Wix Filters every 4500 to 5000 miles....I have read that the 0w40 is more like a thick 30w and since the truck doesn't have any leaks would the 0w40 European be a good choice for this high mileage motor....

Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4503699
08/31/17 05:43 PM
08/31/17 05:43 PM
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
The 0w40 is going to be about the same thickness at temp as the euro 0w-30.

The M1 5w30 is HTHS 3.1 as it is an ILSAC lube. The 0W40 is HTHS 3.6

Another good option is M1 HM 10W30 HTHS 3.5

Anyway, the 5W30 might gain you some MPG. The 0W40 shears to a 30 quickly, which puts you back at 0w-30.

Either is fine for GA winter


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4503701
08/31/17 05:45 PM
08/31/17 05:45 PM
Joined: Mar 2010
Posts: 1,343
Michigan
BobsArmory Offline
BobsArmory  Offline
Joined: Mar 2010
Posts: 1,343
Michigan
Castrol 0w-30 is available right now on Amazon


Keeping the forces of evil at bay
2016 Chevy Malibu LT 1.5 Liter Turbo
2017 Chevy Equinox LT 2.4 Liter
Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4503709
08/31/17 05:56 PM
08/31/17 05:56 PM
Joined: Sep 2014
Posts: 1,489
Seattle-ish, WA
Oro_O Offline
Oro_O  Offline
Joined: Sep 2014
Posts: 1,489
Seattle-ish, WA
Higher miles, warm climate (GA), a vehicle that calls for a 30 weight - I'd use the 10w-30 HM. Roughly the same HTHS as the 0w-40, but more "oil" and less VII's. You don't need to make the compromise for low temperatures inherent in running a 0w-XX oil. I used this oil in my dad's Express van with the same 5.3 LM7 with typically excellent results (for the oil; I use it in a number of vehicles).

Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4503778
08/31/17 06:45 PM
08/31/17 06:45 PM
Joined: Jul 2015
Posts: 527
Pennsylvania
Astro_Guy Offline
Astro_Guy  Offline
Joined: Jul 2015
Posts: 527
Pennsylvania
Mobil 1 5w30 is at the high end of the viscosity range for SAE 30, and Mobil 1 0w40 is at the low end of the viscosity range for SAE 40. The viscosity at 100C are 12.1 vs. 12.9 cSt. This is hardly worth worrying about.

From a more practical perspective, I switched the Volvo in my signature from the 5w30 HM to 0w40 more than two years ago. Not only is it still running at 215 K, but the fuel economy has actually improved. Go figure...


'01 Volvo V70XC, 232k, 0W-40 M1
'16 Accord, 21k, 0W-20 M1 EP
Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4503785
08/31/17 06:49 PM
08/31/17 06:49 PM
Joined: Oct 2014
Posts: 12,582
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,582
Idaho
Originally Posted By: Timmer
I just wondered if the 0w40 European would be too thick and does it have a better add pack than 5w30 HM....I don't drive the truck hard and normally change oil and Wix Filters every 4500 to 5000 miles....I have read that the 0w40 is more like a thick 30w and since the truck doesn't have any leaks would the 0w40 European be a good choice for this high mileage motor....

why would the 0w-40 be too thick? As a matter of conversation what makes you wonder?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4503989
09/01/17 01:35 AM
09/01/17 01:35 AM
Joined: Dec 2009
Posts: 26,241
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 26,241
Regina, Saskatchewan, Canada
If you like GC 0w-30, why not the Castrol 0w-40 A3/B4?


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4504053
09/01/17 05:20 AM
09/01/17 05:20 AM
Joined: Sep 2010
Posts: 7,500
Texas & Global
4WD Online confused
4WD  Online Confused
Joined: Sep 2010
Posts: 7,500
Texas & Global
I'm a long time user of Mobil 1 and others GIII/IV oils - but the 5.3L is the most durable and oil tolerant engine I have. If 40's don't bother you - I'm running Delvac Super at only 70k - it's 4.1 HTHS ...


2018 Chevy 1500 Z71 4WD
2017 Chevy Tahoe LT 4WD
2014 Fusion Hybrid Titanium
2013 Cruze LTZ - RS Turbo
Re: M1 5w30 HM or 0w40 European [Re: Timmer] #4504099
09/01/17 06:33 AM
09/01/17 06:33 AM
Joined: Jan 2009
Posts: 13,983
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 13,983
Illinois
A friend had a 99 Silverado with 350K when sold. He used M1 5-30 at 15-18K OCIs. He only sold it because of the third trans that failed. The engine still ran very well.


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 5w30 HM or 0w40 European [Re: tig1] #4504387
09/01/17 11:26 AM
09/01/17 11:26 AM
Joined: Jan 2016
Posts: 10
Ga
Timmer Offline OP
Timmer  Offline OP
Joined: Jan 2016
Posts: 10
Ga
Thanks everyone, I think I'll stick with what has been working and stay with M1 5w30 HM since that's what the manual calls for and I'm sure the GM engineers are a lot smarter than I am.....thanks again guys......


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