| June 29, 2012 - Articles Added to Master Outline: |
| Engine Top End > Common Valve Arrangements > 2-valve and 3-valve |
| Engine Top End > Common Valve Arrangements > 4-valve |
| Engine Top End > Common Valve Arrangements > 5-valve |
| Engine Top End > Common Valve Arrangements > 5-valve (continued) |
| December 5, 2011 - Articles Added to Master Outline: |
| Engine - Advanced > Oil Lubrication Principles > Trochoid Oil Pump - Theory of Operation (page 1) |
| Engine - Advanced > Oil Lubrication Principles > Trochoid Oil Pump - Theory of Operation (page 2) |
| Engine - Advanced > Oil Lubrication Principles > Trochoid Oil Pump - 3-D view |
| Engine - Advanced > Oil Lubrication Principles > Trochoid Oil Pump - Oil Pump Types |