Title: Describe the differences between the OVH and L-head valve design.
Course: Small Engine Repair (20110-18) > Section: Servicing Valves on Four-Stroke Engines

Description should include differences in

- parts
- function
- efficiencies between the two
- adjustments.

Process/Skill Questions:

- What is the difference between OVH valve design and L-head?
- Why is the overhead more efficient?
- What are the differences in the adjustments?