Semi-Synthetic Oil Change

Why Does My Chevy Need Oil Changes?

The internal combustion engine in your vehicle contains numerous fast-moving metal parts. Without proper lubrication, these parts would quickly become damaged by friction, destroying your engine. Engine oil is what keeps the engine lubricated, protecting it from friction damage. However, engine oil does wear down over time and will need to be replaced. If you drive too long with old engine oil, your engine will start to suffer friction damage.

What Is Semi-Synthetic Oil?

Semi-synthetic oil is also known as synthetic blend oil. It blends conventional and synthetic oils, so understanding what these are can help you know more about semi-synthetic oil.

Conventional oil is the standard oil used for engines. It's a refined mineral oil that provides quality lubrication; however, it does not last particularly long. If you use conventional oil, you will need to have your oil changed about every 3,000 miles or every three months -- whichever comes first. Synthetic oil is a definite upgrade. It lasts much longer; although different engines vary, it can usually last 5,000 miles to 10,000 miles. Its increased longevity is not the only benefit that synthetic oil has. It also keeps your engine better lubricated, flows better in the cold, stands up to high heat better, and can keep your engine cleaner (thanks in part to its detergent additives). Synthetic oil is more expensive than conventional oil; however, its long lifespan can help offset some of the cost.

By blending these two oils, semi-synthetic oil can give you benefits of both. Like synthetic oil, it can give your engine better protection and better functioning and can last a bit longer. However, since it's partly conventional oil, it generally costs less than full synthetic oil.