Thanks to everyone in this forum for helping me understand and gain knowledge on everything lubrication!
Reading the forum posts, I understand that there's a lot more than just viscosity.
API/ILSAC/ACEA/Manufacturer approvals, HTHS, HTFS, NoAck Volatility, Oil oxidation, TBN, EP additives like ZDDP etc.., SAPS content
I understand that a good 'performance' oil should have:
- High HTHS (ideally min 3.5 for 30 Grade+)
- Pure Synthetic base oil (Group 4+) if possible
- Low VII (for high HTFS and MOFT)
- Lower NoAck% (Ideally less than 7-8) for less GDI valve deposits.
- Newer wear/EP formulation with some legacy additives like ZDDP/Phosphorous/Sulphur compounds that have no modern alternatives (or very expensive)
- Modern detergent formulation (for meeting SP) like low calcium and high Magnesium (not ideal but no other option for now)
- Reasonable TBN for longevity (although not sure anymore?)
- Some Moly/Titanium (not sure if high quantity is required for pure synthetic base oils anymore as someone mentioned they create deposits)
* Lowish SAPS if possible?
SAPS content is where I can't seem to find clear answers anywhere. I get that it's a must for Diesel/GPF cars and in EU
A lot of higher grade performance oils XW-40/50/60 oils for both auto/motorcycle street/racing still has high ZDDP usage (1000-1800ppm)
(and high Moly content for racing where the deposits are not that big of a deal)
This tells me that there is no reasonable alternative to basic ZDDP/Sulphate/Phosphate compounds.
One off oils always being an exception (Mobil1 ESP x3/x4/Supercar 0w40 etc.. for DexosR/Porsche C40)
Newer API/ACEA/ILSAC standard development seem to confirm this as the updates to performance oils is negligible compared to low viscosity oils.
Motorcycle oil standard updates are basically frozen in time and so are the formulations.
So, this brings me to the question in title. Are ACEA A3/B4 formualted oils still relevant and recommended for 'performance' engines in USA?
The difference in ACEA A3/B4 - C3 for SAPS content is basically ~200ppm (Phosphorous/Zinc) for a typical 5w-30 oil
e.g M1 ESP 5w-30 vs M1 FS 5w-30
Is it still worth running A3/B4 oils that meets API SP for good long term wear protection compared to equivalent ACEA C3 spec oils?
Does this 200ppm SAPS content make a big difference in engine catalyst performance over it's typical lifetime of 100k miles?
Any discussion or links to papers are highly appreciated!
Coming to my use case, I've recently bought a Hyundai Elantra N that has a 2.0 Turbo GDI engine for which Hyundai OM mentions:
"SAE 0W-30 API SN PLUS/SP or ILSAC GF-6"
These requirements have frustrated a lot of Elantra N users as there is only 1 mainstream oil that satisfies this criteria given how notorious Hyundai is for warranty denial:
Mobil 1 Advanced Fuel Economy 0w-30 (SP)
I know that this oil has weak HTHS of ~3.1
Given it's a performance engine that can see engine oil temps of 250F+, I want to run Full SAPS M1 FS 5w-30 (or) Mid SAPS M1 ESP 0w30.
Any advice?
Thank you all!
Reddit discussion on ElantraN oils:
Hyundai oils used by US dealerships:
Hyundai factory fill? https://bobistheoilguy.com/forums/threads/hyundai-kia-super-premium-plus-0w30-voa.372912/
Hyundai 0w-30 in USA? https://www.hyundaipartsdeal.com/genuine/hyundai-eng-oil-full-syn-0w-30~00232-fsyn0-30war.html
Reading the forum posts, I understand that there's a lot more than just viscosity.
API/ILSAC/ACEA/Manufacturer approvals, HTHS, HTFS, NoAck Volatility, Oil oxidation, TBN, EP additives like ZDDP etc.., SAPS content
I understand that a good 'performance' oil should have:
- High HTHS (ideally min 3.5 for 30 Grade+)
- Pure Synthetic base oil (Group 4+) if possible
- Low VII (for high HTFS and MOFT)
- Lower NoAck% (Ideally less than 7-8) for less GDI valve deposits.
- Newer wear/EP formulation with some legacy additives like ZDDP/Phosphorous/Sulphur compounds that have no modern alternatives (or very expensive)
- Modern detergent formulation (for meeting SP) like low calcium and high Magnesium (not ideal but no other option for now)
- Reasonable TBN for longevity (although not sure anymore?)
- Some Moly/Titanium (not sure if high quantity is required for pure synthetic base oils anymore as someone mentioned they create deposits)
* Lowish SAPS if possible?
SAPS content is where I can't seem to find clear answers anywhere. I get that it's a must for Diesel/GPF cars and in EU
A lot of higher grade performance oils XW-40/50/60 oils for both auto/motorcycle street/racing still has high ZDDP usage (1000-1800ppm)
(and high Moly content for racing where the deposits are not that big of a deal)
This tells me that there is no reasonable alternative to basic ZDDP/Sulphate/Phosphate compounds.
One off oils always being an exception (Mobil1 ESP x3/x4/Supercar 0w40 etc.. for DexosR/Porsche C40)
Newer API/ACEA/ILSAC standard development seem to confirm this as the updates to performance oils is negligible compared to low viscosity oils.
Motorcycle oil standard updates are basically frozen in time and so are the formulations.
So, this brings me to the question in title. Are ACEA A3/B4 formualted oils still relevant and recommended for 'performance' engines in USA?
The difference in ACEA A3/B4 - C3 for SAPS content is basically ~200ppm (Phosphorous/Zinc) for a typical 5w-30 oil
e.g M1 ESP 5w-30 vs M1 FS 5w-30
Is it still worth running A3/B4 oils that meets API SP for good long term wear protection compared to equivalent ACEA C3 spec oils?
Does this 200ppm SAPS content make a big difference in engine catalyst performance over it's typical lifetime of 100k miles?
Any discussion or links to papers are highly appreciated!
Coming to my use case, I've recently bought a Hyundai Elantra N that has a 2.0 Turbo GDI engine for which Hyundai OM mentions:
"SAE 0W-30 API SN PLUS/SP or ILSAC GF-6"
These requirements have frustrated a lot of Elantra N users as there is only 1 mainstream oil that satisfies this criteria given how notorious Hyundai is for warranty denial:
Mobil 1 Advanced Fuel Economy 0w-30 (SP)
I know that this oil has weak HTHS of ~3.1
Given it's a performance engine that can see engine oil temps of 250F+, I want to run Full SAPS M1 FS 5w-30 (or) Mid SAPS M1 ESP 0w30.
Any advice?
Thank you all!
Reddit discussion on ElantraN oils:
Hyundai oils used by US dealerships:
Hyundai factory fill? https://bobistheoilguy.com/forums/threads/hyundai-kia-super-premium-plus-0w30-voa.372912/
Hyundai 0w-30 in USA? https://www.hyundaipartsdeal.com/genuine/hyundai-eng-oil-full-syn-0w-30~00232-fsyn0-30war.html
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