This article tells the main differences between 5-20 vs 5-30 vs 10-30 motor oil. Many of the new cars require a lower viscosity oil, for example 0-20 or 5-20. Also different oil viscosities are required for climates.
This article tells how synthetic motor oil is made. Gale Banks, who is the premier designer and manufacturer of power enhancing products for diesel and gas powered vehicles tell why he endorses AMSOIL as his lubricant of choice. Be sure to check out his four-part Banks Speed School video series videos as he tours the AMSOIL …
