High-mileage engines need more maintenance attention, but does that mean you should use thicker oil? Before adding any, here's what you need to know.

Engine oil products that have the API category and ratings, including the S on their containers, have undergone the voluntary Engine Oil Licensing and Certification System - EOLCS from the API.

Thinner, less viscous oil can lead to lower oil pressure, which can inhibit your engine's valve and lifter systems and lead ...

Formulated with advanced additives for year-round engine protection is Valvoline's Premium Conventional Motor Oil. The company's lineup of motor oils is available in multiple viscosities: 10W-30 ...

Shell Rotella T6 10W-30’s formulation is designed to provide better wear performance compared to conventional and synthetic blend Shell Rotella 15W-40 and 10W-30 products.

Engine performance is essential to your vehicle’s overall function, and it needs proper care and nourishment to do its job. By choosing the best oil for your car or truck, you’re taking ...

Few things are as frustrating as spilling engine oil on the floor of your garage halfway through a DIY maintenance job. Here's how to clean it up.

However, the makers of WD-40 didn't say their product could replace the engine oil in a combustion engine, despite the product containing lubricants and anti-corrosion agents.

The best oil flush products for gasoline engines will utilize a proprietary blend of additives to rid your engine of harmful deposits and sludge. Diesel. If your car, truck, ...

Reciprocating Engine Oil 101 Oil types fall into three main types— straight mineral, ashless-dispersant, and synthetic— and all need to be changed regularly.

Castrol Heavy Duty Lubricants introduces a new line of high performance diesel engine oils including Castrol Enduron S, Castrol Tection Extra and Castrol Tection S. Castrol Enduron S and Castrol ...

Automotive engine oil is a complex cocktail. Base oils (70–85%) Mineral oils: Historical workhorse made through distillation and hydroprocessing.