Recent content by DITG10

it's probably on GM if it does. M1 0W-40 has nothing to do with it.

It has higher Zn (880) and P(950) . Since API SP does not allow more than 800 ppm of those, it is not API licensed. It has more than 900 PPM of those additives. Ca is still below 1500; hence, it satisfies the API SP LSPI requirement. It meets but is not licensed because it has higher Zn and P...

https://www.api.org/-/media/files/certification/engine-oil-diesel/publications/api%201509-%2022nd%20edition.pdf My best guess is that it satisfies all the API SP requirements. It passed or exceeded the API SP requirements for LSPI (now they call it stochastic ignition), timing chain wear and...

API SP ENGINE TEST REQUIREMENTS

API SP ETR= API SP ENGINE TEST REQUIREMENTS