General Studies · Lubricants
What do the SAE viscosity rating numbers denote, such as 0W or 5W?
- 1High viscosity oil and difficult flow for cold starting
- 2Denotes thicker oil that better resists viscosity breakdown when cold
- 3Easier oil flow for cold starting✓
- 4Denotes thicker oil that better resists viscosity breakdown when hot
Correct answer
Easier oil flow for cold starting
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