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A little education on SAE #4660563
02/09/18 05:47 AM
02/09/18 05:47 AM
Joined: Dec 2017
Posts: 1,748
US
JLTD Offline OP
JLTD  Offline OP

Joined: Dec 2017
Posts: 1,748
US
Plus a whole lot more, including some speculation by the author. The middle's his opinions, but the facts about oil nomenclature are interesting; at least I found them to be:

http://www.paladinmicro.com/pmicro.php#

Apologies, the link does not copy and takes you to the main page. To see the article, follow the links on the left margin for:
Tech Info/Opinion
Miscellaneous
5w-20 Nyet for me

To me, this article sheds some light on the 30 vs 20 debate, even though it's an old (2011) article.


I use the overseas owner's manual to choose my oil.

Using AMSOIL

Hers: 2008 Jeep Liberty 143k, SS 5w30/Amsoil

His: 2015 4Runner 51k, OE 5w30/Wix

Re: A little education on SAE [Re: JLTD] #4660582
02/09/18 06:41 AM
02/09/18 06:41 AM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline

Joined: Oct 2012
Posts: 4,825
Taiwan
No quarrel with the basic tradeoff described, but I'd have liked to see a source for that 30% greater engine wear statement.

Might have missed it but it seemed to be pulled out of.... .the air.

Re: A little education on SAE [Re: JLTD] #4660628
02/09/18 08:27 AM
02/09/18 08:27 AM
Joined: Mar 2015
Posts: 5,880
Virginia
bbhero Offline
bbhero  Offline

Joined: Mar 2015
Posts: 5,880
Virginia
A bit strange how many vehicles on the road today with well over 200k miles on them running 5w20 or 0w20. The idea of 100k miles and 70k miles on cars and trucks is laughable.

Having said that... There are times where a bump up in operating viscosity is a good idea. Ford found this out with their Ecoboost motors. 5w30 was needed to offset what those motors were doing while in operation. I believe other turbo boosted motors and GDI motors should be run with a 30 operating viscosity as well.

But the Ford 3.0 duratec motors that are port injected can run for a super long time on 5w20 or 0w20.

It's all dependent upon the motor set up and fuel set up.


Nissan Altima 3.5 Coupe
Mobil Super 5w30 Wix 57356
"Treat your family like your friends and treat your friends like your family."
Re: A little education on SAE [Re: Ducked] #4661022
02/09/18 02:40 PM
02/09/18 02:40 PM
Joined: Dec 2017
Posts: 1,748
US
JLTD Offline OP
JLTD  Offline OP

Joined: Dec 2017
Posts: 1,748
US
Originally Posted By: Ducked
No quarrel with the basic tradeoff described, but I'd have liked to see a source for that 30% greater engine wear statement.

Might have missed it but it seemed to be pulled out of.... .the air.


Yep...basic premise, good. Flat opinion statements without any evidence, bad.


I use the overseas owner's manual to choose my oil.

Using AMSOIL

Hers: 2008 Jeep Liberty 143k, SS 5w30/Amsoil

His: 2015 4Runner 51k, OE 5w30/Wix

Re: A little education on SAE [Re: JLTD] #4663807
02/12/18 12:12 PM
02/12/18 12:12 PM
Joined: Feb 2013
Posts: 3,467
Central Virginia
Silverado12 Offline
Silverado12  Offline

Joined: Feb 2013
Posts: 3,467
Central Virginia
That and there are H-D trucks that run on less than 40 weight oil (10W-30 Rotella T5).


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: A little education on SAE [Re: JLTD] #4712161
03/31/18 08:49 AM
03/31/18 08:49 AM
Joined: Sep 2004
Posts: 8,013
Marshfield , MA
andyd Offline
andyd  Offline

Joined: Sep 2004
Posts: 8,013
Marshfield , MA
I prefer thicker oils because in old heaps stuff happens. Fuel contamination, over heats, coolant, etc. Using 0w20 in the Camrys gives me the willies. There is no margin for stuff happening. I will go to a 5w30 just cuz when the warranty expires.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
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