Is anybody using Mobil 1 Advanced Full
Synthetic Motor
Oil 15W-50? It has a nominal Phosphorus level of 1200 PPM and a noninal
Zinc level of 1300 PPM, and according to Mobil the "Recomended Consumer Applications" are high HT/HS applications, Racing and Flat Tappet applications.
https://www.mobil.com/lubricants/-/m...ide-rev-31.pdf
Ray