Amsoil High Mileage

[Nuclear_42]

Purchased a case of Amsoil HM 5w-30 for my father’s 2019 Colorado 3.6 V6. It’s been mostly fed Halvoline Garage boxes from Walmart for almost all 100k miles of ownership. Anyways I’ve wondered if anyone here has any experience as far as this oils cleaning ability. Amsoils has a lot of data showing this but almost no real worlds posts on it. Valve covers are coming off soon for a spark plug change so hopefully it’s clean but I don’t have much faith in Halvoline being the cleanest oil but it’s a very good priced full synthetic.

 

[OilStainedNapkin]

If you want cleaning, vrp is the way

 

[Nuclear_42]

If you want cleaning, vrp is the way

I’m aware of VRP. However I’d like real world feedback of Amsoil HM specifically cleaning.

 

[gasman556]

I’m aware of VRP. However I’d like real world feedback of Amsoil HM specifically cleaning.

@Pablo would be your guy for Amsoil info IMO. I don't know the benefits of using a high mileage oil vs regular oil at this point. I don't want anything that's a seal "sweller" in my oils.

 

[The Critic]

I don't want anything that's a seal "sweller" in my oils.

All oils have some quality of seal conditioning additives. Licensed API oils have seal compatibility requirements and HM oils still have to abide by them.

Edit: quantity, not quality.

 

[gasman556]

All oils have some quality of seal conditioning additives. Licensed API oils have seal compatibility requirements and HM oils still have to abide by them.

Gotcha. I'm thinking of the old wives tales regarding "high mileage oils swelling seals to decrease oil leaks" with higher mileage engines of years of lore.

 

[The Critic]

Gotcha. I'm thinking of the old wives tales regarding "high mileage oils swelling seals to decrease oil leaks" with higher mileage engines of years of lore.

With engines being mostly sealed with RTV these days, not sure how impactful seal conditioners are anyway.

 

[Nuclear_42]

@Pablo would be your guy for Amsoil info IMO. I don't know the benefits of using a high mileage oil vs regular oil at this point. I don't want anything that's a seal "sweller" in my oils.

High mileage is more of a marketing deal. It's true most of them have a slight boost of seal conditioners and detergents. Many of them on high side of viscosity weight. However Amsoil makes a big emphasis on the cleaning ability of this oil similar to VRP claims. That's what I'm interested in knowing.

 

[buster]

High mileage is more of a marketing deal. It's true most of them have a slight boost of seal conditioners and detergents. Many of them on high side of viscosity weight. However Amsoil makes a big emphasis on the cleaning ability of this oil similar to VRP claims. That's what I'm interested in knowing.

It won't clean piston deposits. This goes for all oils. They will clean sludge, and to some degree other areas. The only oil that tested and validated it can clean piston deposits is VRP.

 

[thetricky]

It won't clean piston deposits. This goes for all oils. They will clean sludge, and to some degree other areas. The only oil that tested and validated it can clean piston deposits is VRP.

I have good reason to believe that Amsoil kept my rings clean while using SS before switching to HPL. Not the same as this high-mileage, however, I would believe it will at least help with the rings/lands.

 

[Brian123]

With engines being mostly sealed with RTV these days, not sure how impactful seal conditioners are anyway.

Make sure your PCV is Clear! No more Blowing Out Seals!

 

[buster]

I have good reason to believe that Amsoil kept my rings clean while using SS before switching to HPL. Not the same as this high-mileage, however, I would believe it will at least help with the rings/lands.

No doubt it did.

Piston ring temps are very high, and it will oxidize the oil and leave deposits.

https://blog.amsoil.com/amsoil-crushes-sequence-iiih-engine-test/

 

[tired]

No doubt it did.

Piston ring temps are very high, and it will oxidize the oil and leave deposits.

https://blog.amsoil.com/amsoil-crushes-sequence-iiih-engine-test/

Isn't that just an ad from AMSOIL? Aren't the API and ILSAC bars pretty low?

No doubt there are endless anecdotes of good results from using AMSOIL, but why doesn't it have any European approvals like VW 508/509, MB 229.71, et al.?

 

[buster]

Isn't that just an ad from AMSOIL? Aren't the API and ILSAC bars pretty low?

No doubt there are endless anecdotes of good results from using AMSOIL, but why doesn't it have any European approvals like VW 508/509, MB 229.71, et al.?

You can elevate an SP/GF-7 add pack well beyond baseline, which is what the EP off shelf oils do. They greatly exceed the low bar API/ILSAC testing. Look at the EP oils from the majors, they all greatly exceed the IIIH test and IVA wear tests.

The IIIH test is one of the most demanding tests in the industry. The oil is heated to 303.8F for 90 hours straight. That link was not an ad, it was results from a very demanding industry test that no other oil maker will show you results from, unfortunately. Amsoil actually goes beyond anecdotes and provides more testing data than most other brands. I wish that wasn't the case but it's true.


https://www.swri.org/sites/default/files/sequence-iiih-test.pdf

 

[thetricky]

Isn't that just an ad from AMSOIL? Aren't the API and ILSAC bars pretty low?

No doubt there are endless anecdotes of good results from using AMSOIL, but why doesn't it have any European approvals like VW 508/509, MB 229.71, et al.?

Look at their euro line for that.

 

[tired]

You can elevate an SP/GF-7 add pack well beyond baseline, which is what the EP off shelf oils do. They greatly exceed the low bar API/ILSAC testing. Look at the EP oils from the majors, they all greatly exceed the IIIH test and IVA wear tests.

The IIIH test is one of the most demanding tests in the industry. The oil is heated to 303.8F for 90 hours straight. That link was not an ad, it was results from a very demanding industry test that no other oil maker will show you results from, unfortunately. Amsoil actually goes beyond anecdotes and provides more testing data than most other brands. I wish that wasn't the case but it's true.


https://www.swri.org/sites/default/files/sequence-iiih-test.pdf

Is the IIIH test part of the API certification? I just feel that the API tests aren't as rigorous as the Euro tests are. I think it's VW that has a 650 hour engine test.

 

[perkz]

Havoline is higher detergent oil. If your OCI was reasonable, I would bet you have no sludge. Have you pulled a valve cover?

 

[buster]

Is the IIIH test part of the API certification? I just feel that the API tests aren't as rigorous as the Euro tests are. I think it's VW that has a 650 hour engine test.

Apples/oranges. In "general", a Euro 5w30 will be better than a run-of-the-mill SP/GF-7 oil. It gets a little gray when you start comparing EP SP oils to Euro oils.

If you were to ask WRC teams or Lingenfelter what is the best high performance street oil within the Amsoil line, they will tell you it's Signature Series and not their Euro. Lingenfelter is using Amsoil SS 5w30 and 0w40 in their 800hp builds.

 

[tired]

Apples/oranges. In "general", a Euro 5w30 will be better than a run-of-the-mill SP/GF-7 oil. It gets a little gray when you start comparing EP SP oils to Euro oils.

If you were to ask WRC teams or Lingenfelter what is the best high performance street oil within the Amsoil line, they will tell you it's Signature Series and not their Euro. Lingenfelter is using Amsoil SS 5w30 and 0w40 in their 800hp builds.

So that blog post showed that AMSOIL SS passed the sequence IIIH test that all API SP oils pass? The one that Supertech passes too? And they made it a little harder, and the viscosity worsened by half?

Do we feel that this test replicates real world engine conditions?

Not being dense here. Trying to understand.

 

[buster]

So that blog post showed that AMSOIL SS passed the sequence IIIH test that all API SP oils pass? The one that Supertech passes too? And they made it a little harder, and the viscosity worsened by half?

Do we feel that this test replicates real world engine conditions?

Not being dense here. Trying to understand.

I think it's a good test for certain real-world conditions where the oil is exposed to high temps. They doubled the length of it and still retained 40% cleaner pistons. Many oils will pass it, but not by much. Unfortunately, no one shares their test scores.