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Actually this is not old info. The ONLY API Certified oils "the API starburst" by Amsoil are the XL (group 3) line and the diesel blend. Not...
Most of the Amsoil oils are not API Certified. The only ones that are certified are hydocracked/hydro processed group 3 (petroleum) XL series...
Sure I would agree that Amsoil has some dealers that will make claims that they would not approve of. They have thousands of dealers, it's hard...
API is great and all but is really just here in America. In Europe no API, cars all run synthetic and recommended interval is 10000 miles. API...
If Mobil were to follow extended drain intervals like amsoil has been promoting since 1972 millions upon millions of gallons of oil would be...
Accidentally posted with only one character. Nothing to post.. Sorry and not sure if I could delete it.
