“Full synthetic oils use all synthetic base oils. Since synthetic oil can provide some ... engines require the use of SAE 5W-30, 5W-20 or 0W-20 passenger car motor oil (PCMO) grades, dependent ...

Engine oil is vital for protecting a car’s engine. If your car requires 5W-20, can you use 5W-30 instead? Here’s why those ...

Monolec® Tetra-Syn Engine Oil – available in SAE 5W-20 and 5W-30 grades – provides robust protection for engines without sacrificing performance, endurance and efficiency. A 100% synthetic gasoline ...

Colder temperatures can change how well motor oil keeps your engine running. You may need to change the oil to maintain a smooth ride all winter.