What oil will you be running after your 1st oil change?

[Lion77]

LiquiMoly was a popular option that was more budget friendly compared to In Situ DLC coatings like TriboTex on the Mustang 6G forums and has similar overall performance, but some of the downsides people should be aware of is that it also relies on chemical friction modifiers that HBN requires to achieve super lubricity, thus it is altering the oils overall chemistry. It also requires a lot more volume / mass of material to achieve the same results which displaces some of the oil and it can also settle in the pan if driven infrequently.

The Hexagonal Boron Nitride also produces an orange coloration of the oil, so in terms of warranty repair, some dealers might try to blame any issues on the HBN where you need a SEM microscope to even detect Synthetic Magnesium Silicate Hydroxide DLC coatings once formed. Neither of them is going to cause issues as they only enhance lubricity, although I'm not sure if HBN enhances oil adhesion like SMSH, that I never studied.

Some things to consider, but both are good options for extreme duty applications with similar overall benefits.

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[josephp732]

I have a question about Amsoil and Redline oil compatibility with wet belt oiling systems. I just purchased a 2025 Ford Ranger with a 2.7l Ecoboost engine. Ford's oil specification for this engine is WSS-M2C961-A1 which refers to a 5W-30 engine oil that meets the requirements of ILSAC GF-6, API SP Resource Conserving, and API SN Plus. The service manager at the dealership told me that's it is crucial to use oil that meets Ford's specifications, especially with wet belts, as using incorrect oil can lead to increased wear and potentially shorten the belt's lifespan. To maintain the warranty, of course, he recommended I use Ford's own branded oil. Does anyone know if there has been any wet belt longevity testing when you use a POA/Ester based oil in these systems? In all my vehicles I use either Amsoil Signature or Redline products. My 4Runner's 1GRE-FE runs very well and abnormally quiet on Redline's Ester with high ZZDP oil. I noticed that Redline's Euro-series oil and Amsoil Signature Series both state they can be used in applications or are a suitable replacement for oil that requires the WSS-M2C961-A1 spec. Should I have any concerns about shortening the belt life or maintaining my warranty, if I use these oil's? I perform 5k OCI's.

 

[stemplar]

I have a question about Amsoil and Redline oil compatibility with wet belt oiling systems. I just purchased a 2025 Ford Ranger with a 2.7l Ecoboost engine. Ford's oil specification for this engine is WSS-M2C961-A1 which refers to a 5W-30 engine oil that meets the requirements of ILSAC GF-6, API SP Resource Conserving, and API SN Plus. The service manager at the dealership told me that's it is crucial to use oil that meets Ford's specifications, especially with wet belts, as using incorrect oil can lead to increased wear and potentially shorten the belt's lifespan. To maintain the warranty, of course, he recommended I use Ford's own branded oil. Does anyone know if there has been any wet belt longevity testing when you use a POA/Ester based oil in these systems? In all my vehicles I use either Amsoil Signature or Redline products. My 4Runner's 1GRE-FE runs very well and abnormally quiet on Redline's Ester with high ZZDP oil. I noticed that Redline's Euro-series oil and Amsoil Signature Series both state they can be used in applications or are a suitable replacement for oil that requires the WSS-M2C961-A1 spec. Should I have any concerns about shortening the belt life or maintaining my warranty, if I use these oil's? I perform 5k OCI's.

You’d be better off asking redline and amsoil about using their oil with a wet belt, but as for warranty, if the oil meets the manufacturer spec and is changed at appropriate intervals they cannot void your warranty. This issue has been put to rest for decades as far as the law is concerned.

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