- What does 5W-30 mean?
- Why should I change my oil?
- What is the typical composition of motor oil?
- Are aftermarket oil additives needed?
- What does synthetic oil mean?
- Can you mix synthetic with conventional oil?
- Can synthetic be used to break in an engine?
- What causes sludge?
- Why should I use the viscosity grade that the manufacturer recommends?
Trackside Lab Formula 1 - http://youtu.be/6G8XP8L-MFE
Shell Technology Center - http://youtu.be/pUr7-Ug1Uqc