Originally Posted by Gokhan
A 10W-30 made in Mexico? It is guaranteed to be a Group I dino oil. I wouldn't buy it. Mexico is known for its Group I dino oils. Conventional Group II oil is still too expensive there. If it was a 5W-30, it would have to be Group II+, but since it is 10W-30, it is more than likely Group I, as you can satisfy the CCS/Noack with it. If you want a 10W-30, buy a US-made Group II/II+ conventional oil. Dollar stores sell brand-name US-made conventional Group II/II+ oils for $2.99.
Note that "highly refined mineral oil" on the back label means Group I dino. Therefore, the base oil would have a viscosity index (VI) around 100. Considering that the finished product has a VI = 160, it's loaded with VII. A quick A_Harman index estimate is ~ 0.76, which is about 12% VII, somewhere in the likes of a 5W-50. A quality 10W-30 has little VII. Its base-oil viscosity at 150 °C is ~ 1.7 cP, which is like the base oil of a 0W-16.
Unless you think you need a Group I dino oil, you probably don't want to run it in your engine.