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What exactly does oil grade GF-6 mean?

2022-05-25 14:44:48

On May 1, 2020, ILSAC GF-6 takes effect at the same time as API SP, and SP has been sold like hot cakes in the market, but many car owners still don't quite understand GF-6.
Master Bong will talk to you about it today.


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What is the difference between ILSAC and API?
API stands for American Petroleum Institute. The American Petroleum Institute (API) is responsible for determining the standards that motor oils meet.
To be certified by API, an oil must meet the Society of Automotive Engineers (SAE) oil viscosity standards.
The certification will appear in the center of the API seal or “donut”. For example, SAE 5W-20.
ILSAC is different because it also measures fuel economy, whereas API does not.


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What does GF-X mean?
The GF-X grade is actually a motor oil quality grade certification standard set by the International Lubricants Standardization and Approval Committee (ILSAC for short).
The standard is basically set based on the API (American Petroleum Institute) grade certification (e.g. GF-5 corresponds to SN, GF-6 to SP), but it focuses more on fuel economy, so lower viscosities are usually used.


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The number after GF, in our country, can be interpreted as the corresponding national emission standard, e.g. GF-5 for National V, GF-6 for National VI.



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What are the upgrades to the GF-6?



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It is worth noting that the GF-6 has added a low-speed premature ignition test and a timing chain wear test, which can prevent the occurrence of low-speed premature ignition and timing chain wear, which are common in small-cylinder direct injection engines.



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What is the difference between GF-6A and GF-6B?

GF-6 has been attracting attention for its two different viscosity grade specifications GF-6A and 6B, what is the difference between GF-6A and GF-6B?


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1. GF-6B specification lubricants are different from GF-6A and the two cannot be used interchangeably on vehicle equipment.
2, ILSAC GF-6A can be used to meet GF-5 oil recommendations and earlier requirements.
GF-6A is backward compatible, meaning it also includes the GF1-5 standard and is designed for SAE grades 0W-20, 5W-20, 5W-30, and 10W-30. ILSAC GF-6B includes all of the requirements of GF-6A but is intended for use in SAE 0W-16 grades only.


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3, GF-6B and GF-6A lubricants must pass the same performance tests, but GF-6B lubricants are superior to GF-6A lubricants in fuel economy.
4. GF-6B specification lubricants have adopted a new certification mark to prevent these lower viscosity grades from being misused in inapplicable engines.
Nippon GF-6 grade lubricants have more outstanding fuel economy performance and anti-wear performance than SP lubricants, and have better performance in inhibiting low-speed premature ignition, protecting timing chain wear and automotive after-exhaust treatment systems, bringing a more powerful driving experience.