Here is a great article describing engine valvetrains. The importance lies in understanding how motor oil affect many facets of the valvetrains operation and lifespan. Once you have the basics, understanding the impact of sludge and carbon buildup becomes more apparent. We need this info as most retailers and quick lubes treat customers like they are just a number and are in a rush to make the next sale. Unfortunately, the slow and gradual decline in performance adds up to dollars at the fuel pump and potentially big bucks in maintenance / repairs for us. Follow along as I take us on a journey to explain the impact of poorly performing products on the many systems in a vehicle to include:

Fuel delivery, intake and airflow, cylinder heads, pistons, bearings, drivetrain, steering, brakes, and much more!

Enjoy the article:

Engine Valvetrains 101