Choosing the best motor oil additive is essential for your vehicle. It should be able to improve the performance and longevity of your engine.

Fortunately, there are some great options out there. These products work well for high mileage engines and are designed to help flush unwanted deposits and lubricate the internal components.

One of the best options is the Archoil AR9100 Oil Additive. This product is a good choice for gas or diesel engines and is especially helpful with gearboxes and hydraulic systems.

Another option is Liqui Moly Cera Tec Friction Modifier, which works well with any engine type and makes it run smoother and more efficiently. It also reduces friction and heat, which helps extend the lifespan of your vehicle.

Aside from this, it has anti-corrosion properties that prevent the formation of rust and corrosion in your engine. It also contains Zinc, which creates a protective coating to your engine parts that reduces wear and tear.

In addition, it can lower oil consumption and increase gas mileage by reducing engine temperatures and improving the lubricity of the oil. It can also help stop leaks and reduce exhaust smoke.

Lucas LUC10130 is a good option for heavy-duty and high-performance vehicles. It is compatible with both conventional and synthetic oils and works well in all types of gasoline and diesel engines.

This product is a good choice for older vehicles that have accumulated varnish, sludge, and gum in the metal parts of the engine. It is effective in preventing these materials from forming and keeping them clean and free of harmful chemicals. It also increases oil pressure and helps reduce engine noises.