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What is Oil Viscosity? | Comparative Oil Viscosity Chart
What is Oil Viscosity? | Comparative Oil Viscosity Chart
Petroleum Service Company on Oct 06 2020

If you've changed your own oil before, then chances are you know what the "w" in 5w-20 means (HINT: …
Lubricants
How Does Cold Weather Affect Your Car Lubricants?
How Does Cold Weather Affect Your Car Lubricants?
Petroleum Service Company on Dec 04 2017

Just as cold, winter weather affects you (we typically don't don down layers in the middle of July),…
Autos
5 Common Automotive Engine Myths
5 Common Automotive Engine Myths
Petroleum Service Company on Oct 16 2017

Proper engine maintenance is key if you want to keep your car driving smoothly for as long as possib…
Autos