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2.7L Oil..Synthetic?

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Wintersun Enthusiast

Wintersun

Posted
Posted

Very difficult for base oil stocks to meet the new API SP specification that applies to 2017 and later engines. A few engines can take a dino synthetic blend if the viscosity specs are high enough. When it comes to a 0W-XX motor oil it takes synthetic oil to meed the API SP specification. Any motor oil for a gas engine that meets this spec which is shown on the container, is going to be as good as any other motor oil despite all the advertising from people like those at Amsoil.

  • 3 years later...
Greg Chevy Owner New Member

Greg Chevy Owner

Posted
Posted

Anyone's thoughts on using synthetic vs Fossil fuel old fashioned oil?

How does engines accept this? Obvious modifications to the engine I guess? Im not a mechanic.

I want the best for the engine and dont want to cheapen the life because of the cost  3x per year to change the oil.

Also I always feel like getting the oil changed more often is better. Used to be every 3 months but now its every 5 months? 

I just bought a Chevy Silverado 1500

But even in My Ford Explorer I had they said I can do it every 5 months. Seems to long to wait to me. 

 

Thoughts 

 

Thanks

 

 

newdude Senior Enthusiast

newdude

Posted
Posted (edited)
28 minutes ago, Greg Chevy Owner said:

Anyone's thoughts on using synthetic vs Fossil fuel old fashioned oil?

How does engines accept this? Obvious modifications to the engine I guess? Im not a mechanic.

I want the best for the engine and dont want to cheapen the life because of the cost  3x per year to change the oil.

Also I always feel like getting the oil changed more often is better. Used to be every 3 months but now its every 5 months? 

I just bought a Chevy Silverado 1500

But even in My Ford Explorer I had they said I can do it every 5 months. Seems to long to wait to me. 

 

Thoughts 

 

Thanks

 

 

 

 

Nothing new uses conventional oil.  They leave the factory with synthetic.  Been this way over 10 years now in GM land.  

 

There are no requirements to change oils on older stuff either necessarily unless its a really old engine that uses older seal technology.  So if you were say driving an all original 1970 Chevelle that had all its original seals in it, its "possible" that newer oils could be more aggressive to those old seals.    

Edited by newdude
  • 2 weeks later...
Grumpy Bear Senior Enthusiast

Grumpy Bear

Posted
Posted (edited)
On 9/17/2020 at 3:52 PM, Wintersun said:

Very difficult for base oil stocks to meet the new API SP specification that applies to 2017 and later engines. A few engines can take a dino synthetic blend if the viscosity specs are high enough. When it comes to a 0W-XX motor oil it takes synthetic oil to meed the API SP specification. Any motor oil for a gas engine that meets this spec which is shown on the container, is going to be as good as any other motor oil despite all the advertising from people like those at Amsoil.

 

Old post. I get it. :rolleyes:

 

Hum....API SP as a benchmark?  Okay, if that benchmark is the lowest the bar can be set. Dexos1Gen3 is only about a half a rung higher. 😬

 

Compare Castrol Edge Euro 5W30K with say Costco Kirkland Signature 5W30 FS. Know what you won't find on the bottle of Kirkland that on a bottle of Castrol? 

 

  • ACEA C3
  • API SP
  • BMW Longlife-04
  • MB-Approval 229.31/ 229.51/ 229.52
  • Porsche C30
  • Renault RN 0700 / RN 0710
  • VW 504.00/ 507 00
  • Suitable for use on the following specifications: VW 505 00/505 01

Look! 

 

__57.jpg

 

image.png.e7cfa9dd521d7fca7c5f2640335219f2.png

 

 

 

 

Edited by Grumpy Bear
TrailBossMike Enthusiast

TrailBossMike

Posted
Posted
On 5/11/2024 at 10:07 PM, Grumpy Bear said:

 

Old post. I get it. :rolleyes:

 

Hum....API SP as a benchmark?  Okay, if that benchmark is the lowest the bar can be set. Dexos1Gen3 is only about a half a rung higher. 😬

 

Compare Castrol Edge Euro 5W30K with say Costco Kirkland Signature 5W30 FS. Know what you won't find on the bottle of Kirkland that on a bottle of Castrol? 

 

  • ACEA C3
  • API SP
  • BMW Longlife-04
  • MB-Approval 229.31/ 229.51/ 229.52
  • Porsche C30
  • Renault RN 0700 / RN 0710
  • VW 504.00/ 507 00
  • Suitable for use on the following specifications: VW 505 00/505 01

Look! 

 

__57.jpg

 

image.png.e7cfa9dd521d7fca7c5f2640335219f2.png

 

 

 

 

Guess you've never read the disclaimer at the bottom of the Lubrizol Relative Performance Tool...

Screenshot_2024-05-13-12-32-37-728_com.android.chrome-edit.jpg

Grumpy Bear Senior Enthusiast

Grumpy Bear

Posted
Posted (edited)
1 hour ago, TrailBossMike said:

Guess you've never read the disclaimer at the bottom of the Lubrizol Relative Performance Tool...

Screenshot_2024-05-13-12-32-37-728_com.android.chrome-edit.jpg

 

The problem with common sense is it isn't commonly used. 

 

API SP spec for HTHS is? 2.6 cSt

And for Porsche C30? 3.5 cSt

And for API SAE30/*W30 it is 2.9 cSt. 

Ever hear of the Stribeck? The Hersey number? And idea what they MEAN? I'm not explaining it again. :idiot:

 

SP as the latest version of the API should be a 10 then by that disclaimer on oxidative thickening and LSPI protection. Guess what. It isn't. Guess what is? Porsche C30. 

 

READ THE WORDS CURRENT REQUIREMENTS and pause long enough to let common sense take over. Requirements are set by the ASTM standard test RESULTS not the organizations or OEM's specifications. It is the SPEC that is not to be compared. The results most certainly can be. 

 

Do as you please but please THINK. Why would an oil meet the DEXOS1Gen3 or Dexos2 and miss Porsche C30 or VW 504./ 507. Ever see it the other way around? 😏 I'll pause while you search high and low for your blue unicorn. 

 

 

***********************************

 

Now that you've failed to produce an example, ask which organization has the higher standard. I give a sh*t about the OEM specification. They fail me every time. RESULTS matter. The tool compares results. The disclaimer is just what it says it is. A legal dodge. 

Edited by Grumpy Bear
  • Like 1
Z45 Senior Enthusiast

Z45

Posted
Posted (edited)

The Effect of Oil Drain Interval on Valvetrain Friction and Wear

 

Excerpt

Quote

As in the previous study, the results showed that the aged engine oils provide lower friction and much improved wear protection capability. These improvements were observed as early as the 3000 mile drain interval and continued to the 15000 mile drain interval. The composition of tribochemical films formed on the surface with the 3000 mile drain interval is similar to that formed with the 12000 mile drain interval as seen before. These findings could be an enabler for achieving longer drain interval although several other factors must to be considered.

 

Edited by elcamino
customboss Senior Enthusiast

customboss

Posted
Posted
On 5/2/2024 at 12:01 PM, Greg Chevy Owner said:

Anyone's thoughts on using synthetic vs Fossil fuel old fashioned oil?

How does engines accept this? Obvious modifications to the engine I guess? Im not a mechanic.

I want the best for the engine and dont want to cheapen the life because of the cost  3x per year to change the oil.

Also I always feel like getting the oil changed more often is better. Used to be every 3 months but now its every 5 months? 

I just bought a Chevy Silverado 1500

But even in My Ford Explorer I had they said I can do it every 5 months. Seems to long to wait to me. 

 

Thoughts 

 

Thanks

 

 

Every engine oil that you can purchase as a DEXOS, SP API or ILSAC engine oil is essentially GRP III based in some form.  Very few engine oils are GRP I or GRP II any more, they usually have at least a GRP II+ base and the additives are all synthetic.  SO the term synthetic means nothing any more.  To find a majority based GRP 4 or V based oil there are very few.  Renewable Lubricants Inc. (RLI)   Redline  Amsoil, Mobil 1, Torco, the brand from Chicago area that I have not tried that Grumpy and others have tried.   RLI is probably the most advanced and they use hybridzied veggie bases. Made in Ohio buy a farm family funded for years by agri chem biz.   I am trying a GRP II + with very little GRP III engine oil with no ZDTP from Chevron, DELO 600 10w30 in my 2.7 Turbo. Second oil change has cut my oil usage by 50% its seems.   That's probably as close to non synthetic you can get. 

OnTheReel Senior Enthusiast

OnTheReel

Posted
Posted
4 hours ago, elcamino said:

although several other factors must to be considered.

The operative phrase. That paper is focused on one variable and doesn’t consider any “other factors” even though they are important in the big picture. Like…can the oil keep the rings clean over such a long interval?

Grumpy Bear Senior Enthusiast

Grumpy Bear

Posted
Posted
On 5/14/2024 at 9:32 AM, elcamino said:

The Effect of Oil Drain Interval on Valvetrain Friction and Wear

 

Excerpt

 

 

From the link: 

 

[Quote] These findings could be an enabler for achieving longer drain intervals although several other factors must to be considered. [Close Quote]

 

Could have, would have, should have and a dime won't get you a cuppa coffee. 

 

Most Oil shears down. It's the nature of Most VII's so yea, lower friction. And what does Stribeck tell us?  Tells us if that number does not support the surface finish parts that are not supposed to touch will. So I'm calling :bs:on a limited three vehicle study that has not be peer reviewed and specifics held in reserve. 

 

Besides, this looks AI generated. What kind of grammar is that fragment?? :rollin:

 

 One true thought. There are other things to consider. :idiot:

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