Your Oil and Fluids are the Life Blood of your Vehicle. True Group IV PAO - Polyalphaolefin - Based Motor Oil like AMSOIL Signature Series and Red Line Runs to Heat and Friction for Better Protection and Lubrication as opposed to Petroleum Based Oils that Run Away from Heat and Friction. Why are you using the Fake Wanna Be Synthetics on your Engine when you can use the Real Stuff for Better Lubrication and Protection?