After seeing so many Oil and Lubrication systems questions here over the years, I found this in a Press Release and thought of the Q45 kinsmen.Seems like a good nuts and bolts approach to something so important and so overlooked in our rapidly declining general knowledge base. =(The schools here in the U.S. suck)Knowledge is power !

WELCOME TO LUBRICANTSUNIVERSITY.COM! Powered by Chevron, LubricantsUniversity.com offers editorial content and instructional courses that deliver lubricants- and coolants-related knowledge. The site is designed for individuals in the lubrication and maintenance markets that are interested in obtaining more information on relevant technologies, trends, issues and solutions.

LubricantsUniversity.com contains informative articles, resources and online courses pertinent to lubrication, as well as the re-launch of an industry icon, Lubrication magazine. The site is a convenient way to obtain lubricant-related, industry-specific information. Each month several new articles will appear on http://www.LubricantsUniversity.com. These articles will be topical and free of charge, offering insights into an industry that is ever-changing.

Fundamentals of Lubrication (This is free and well worth the time IMHO) Description: This course provides an introduction to the fundamentals of wear and friction and describes lubrication's role with respect to preventing wear and friction in mechanical equipment. Viscosity and the lubrication identification systems are reviewed and applied to common wear and friction problems.

Course Length: 45-60 minutes

Course Outline: 1. Introduction, 2. Friction, 3. Viscosity 4. Viscosity Grades, 5. Wear

Hope this helps... Squeefoo