I'm not sure there's even enough data out there, except perhaps what's in the hands of bigger companies who are holding it as intellectual property. Dave may not even be completely sure. I know I'm far from sure.
Plain, simple Garak.
2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515