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Best Engine Oil Additive For High Mileage Cars (2023 Update)

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If you're looking for the best engine oil additive for high mileage cars, you're in luck. There are several options available on the market that can help improve your car's performance, protect its engine, and extend its life. But before you buy any product, there are a few factors you need to consider to ensure you're making the right choice for your car.

Firstly, you need to know the type of engine oil your car requires. Not all additives are compatible with all types of engine oils. Additionally, you need to consider the age of your car and the specific issues you're trying to address. For example, if you're experiencing oil leaks, you might need an additive that seals and protects the gaskets and seals in your engine.

When choosing an engine oil additive, you also need to consider its viscosity, the brand's reputation, and the price. Viscosity refers to the thickness of the additive and how well it blends with your engine oil. Brands that have a good reputation for producing quality products are often a safer bet. However, you also need to ensure that the price of the product aligns with your budget.

If you're still unsure which engine oil additive is best for your high mileage car, consider the following questions. How can an additive help improve my engine's performance? How long should I let the additive circulate in my engine before changing the oil? Does the brand offer a satisfaction guarantee? Once you have answers to these questions, you can make an informed decision and choose the best engine oil additive for your high mileage car.

10 Best Engine Oil Additive For High Mileage Cars

# Product Image Product Name Product Notes Check Price
1

Ideal for reducing engine stiction, improving power and fuel economy, and extending the life of diesel or gasoline engines.

2

Archoil oil additive is ideal for improving cold starts and eliminating injector problems in all types of vehicles.

3

The product is ideal for increasing engine protection and performance by adding zinc and phosphorus to the oil.

4

This product is ideal for improving engine performance and providing protection against wear and tear.

5

This product is ideal for stabilizing and improving the performance of engine oil in various vehicles and equipment.

6

This product is ideal for high-performance engines in diesel and turbo vehicles, reducing emissions and extending mileage.

7

The product is ideal for reducing friction and wear in engines, improving fuel efficiency, and extending the lifespan of automotive components.

8

Ideal for high-performance engines, reducing emissions, and extending mileage in both diesel and turbo engines.

9

The product is ideal for reducing engine friction and wear, improving performance and fuel efficiency, and prolonging engine life.

10

This engine oil additive provides wear protection and revitalizes worn metal surfaces in vehicles with up to 5qts of oil capacity.

Ideal for reducing engine stiction, improving power and fuel economy, and extending the life of diesel or gasoline engines.

Archoil oil additive is ideal for improving cold starts and eliminating injector problems in all types of vehicles.

The product is ideal for increasing engine protection and performance by adding zinc and phosphorus to the oil.

This product is ideal for improving engine performance and providing protection against wear and tear.

This product is ideal for stabilizing and improving the performance of engine oil in various vehicles and equipment.

This product is ideal for high-performance engines in diesel and turbo vehicles, reducing emissions and extending mileage.

The product is ideal for reducing friction and wear in engines, improving fuel efficiency, and extending the lifespan of automotive components.

Ideal for high-performance engines, reducing emissions, and extending mileage in both diesel and turbo engines.

The product is ideal for reducing engine friction and wear, improving performance and fuel efficiency, and prolonging engine life.

This engine oil additive provides wear protection and revitalizes worn metal surfaces in vehicles with up to 5qts of oil capacity.

1. Hot Shot's Secret Original Stiction Eliminator 32 Fluid Ounce Bottle

The latest engine additive is here to improve the performance of your vehicle's engine. With improved power and compression, the product ensures that your engine runs smoothly and efficiently. Say goodbye to engine deposits as this powerful additive removes them, giving your engine a clean slate to work with.

The product also boasts of its ability to seal rings better, preventing any oil leaks and reducing oil consumption. This is made possible by the product's ability to neutralize harmful engine acids, making sure that your engine's internal components are well protected.

In addition, the engine additive reduces frictional drag, thereby improving fuel efficiency and preventing excessive wear and tear on your engine. Your engine will run quietly as the product reduces lifter and valve noise, making for a comfortable driving experience.

This engine additive is a must-have for any vehicle owner who wants to extend the life of their engine, reduce maintenance costs and improve performance. Get your hands on this powerful additive today and experience the difference it can make in your vehicle's engine.

2. Ar9100: Ultimate Engine Treatment For All Vehicles.

Introducing the 16oz AR9100 Friction Modifier, the ultimate solution to your engine problems. This powerful formula is specifically designed to treat one Power Stroke engine, fixing cold start injector issues in both 6.0L and 7.3L Power Stroke engines.

The AR9100 Friction Modifier is not only a quick fix to engine problems, but it also reduces wear and extends the life of the engine’s components. This means you can expect a longer-lasting engine with fewer issues, saving you time and money in the long run.

In addition to its wear-reducing benefits, the AR9100 Friction Modifier also reduces engine noise, vibration, and heat. This results in a smoother, quieter engine that runs cooler and more efficiently.

This versatile formula is compatible with all diesel and gasoline engines, gearboxes, hydraulics, differentials, and power steering systems. It's an all-in-one solution that can be used across multiple systems, making it a convenient and cost-effective option for those who want to keep their engines in top condition.

Don't let engine problems hold you back any longer. The 16oz AR9100 Friction Modifier is the solution you've been looking for. With its proven ability to fix injector issues, reduce wear, and improve engine performance, you can trust that your engine will run smoothly and efficiently for years to come.

3. Zddpplus Zddp Engine Oil Additive Zinc & Phosphorus 2 Bottles

If you have an older car with flat tapped lifters-cam, you need to take extra care of your engine. That's where ZDDPlus comes in. This engine oil additive is specifically designed to provide your engine with the added zinc it needs for protection.

Using ZDDPlus is incredibly easy. All you need to do is empty the entire 4oz contents of the bottle into a 4 to 6 quart oil change. It's that simple!

One of the main benefits of ZDDPlus is that it alters the characteristics of your engine oil to prevent metal on metal contact. This is especially important for older engines that are more prone to this type of wear and tear.

ZDDPlus is specifically formulated for use on pre-1989 and high performance engines. It's compatible with both synthetic and conventional motor oils, so you don't need to worry about any compatibility issues.

4. Rislone 4405 Engine Oil Supplement Concentrate With Zinc Treatment – 11 Oz, Yellow

Looking for a way to keep your engine running smoothly and increase its lifespan? Look no further than this highly effective product. With its unique formula, this product is designed to prevent camshaft wear, reduce piston scuffing, and extend the life of your engine.

One of the most important benefits of this product is its ability to prevent camshaft wear. Camshaft wear can be a major issue in older engines, leading to reduced performance and even engine failure. By using this product, you can protect your camshaft and keep your engine running smoothly for longer.

In addition to preventing camshaft wear, this product also reduces piston scuffing. Piston scuffing can occur when the piston rubs against the cylinder wall, causing friction and wear. By reducing this friction, this product helps to extend the life of your engine and keep it running smoothly.

Another key benefit of this product is its ability to make newer oils work in older engines. As engines age, they may not be able to handle newer oils as well as they did when they were new. This can lead to reduced performance and engine problems. With this product, you can ensure that your engine is able to handle newer oils and continue running smoothly.

5. Lucas Oil 10001 Heavy Duty Oil Stabilizer – 1 Quart

This engine oil additive is designed to provide unparalleled protection and performance for any gasoline or diesel-powered engine. With its advanced formula, it can extend the life of your engine and oil, while virtually eliminating dry starts and reducing excessive wear. Additionally, it can help raise oil pressure, prevent sludging and varnishing, and even lower engine temperatures.

One of the key benefits of this engine oil additive is its ability to extend the life of your engine and oil. By reducing wear and tear on your engine, it can help you avoid costly repairs and replacements down the road. Additionally, it can virtually eliminate dry starts, which can be especially damaging to your engine.

Another notable benefit of this engine oil additive is its ability to raise oil pressure. This can help ensure that your engine is properly lubricated at all times, even during periods of heavy use or high stress.

In addition to its protective benefits, this engine oil additive also has several performance-enhancing properties. For example, it can prevent sludging and varnishing, which can improve engine efficiency and performance. Additionally, it can help lower engine temperatures, which can reduce the risk of overheating and improve overall performance.

6. Cleanboost Synthetic Motor Oil – Turbo/diesel

Introducing the Smokeless Oil Set of 4, designed to provide vehicles with new life, improved performance, and optimal protection, especially for aging and worn-out engines. This smokeless protection oil is made from top-quality ingredients that help to eliminate oil smoking and reduce emissions, providing a cleaner, more environment-friendly vehicle.

This synthetic motor oil is derived from high-performance racing oils, making it capable of withstanding extreme conditions, even under the most challenging racing environments. The Smokeless Oil Set of 4 utilizes an innovative and cutting-edge technology that makes it an ideal solution for engines that need a new lease on life.

The Ultra-Pure Non-Smoking Oil is of superior quality and ultra-high temperature, making it a full synthetic oil that has a flashpoint greater than 500 F. Unlike other oils, it is free of volatile impurities, making it a smokeless oil that reduces emissions and extends the mileage between oil changes. Although clear, it darkens slightly after use in an engine, indicating its effectiveness in cleaning and protecting the engine.

In addition to its superior performance, the Smokeless Oil Set of 4 is also an excellent solution to automotive air pollution. This smokeless synthetic oil for diesel engines has been consumer-tested and proven to stop oil-related smoking, reduces pollution emissions, and extends the life of worn engines, enhancing the value of your car. It is an excellent engine revitalizer for used car sellers, owners, and buyers alike.

Using the Smokeless Oil Set of 4 is easy and straightforward. Simply drain the old oil, change the oil filter, and fill up with our smokeless synthetic racing oil. You should see almost immediate results. If the car is still smoking after 15 minutes, let it run for a bit longer. The Smokeless Oil Set of 4 is most effective when used without additives or mixing.

7. Liqui Moly (20002) Cera Tec Friction Modifier – 300 Ml

Looking for an oil additive that can boost the performance of your car engine? Look no further than this incredible product! This oil additive is specially formulated to be mixable with all commercially available motor oils, making it incredibly versatile and easy to use.

One of the standout features of this oil additive is its stability, even under high thermal and dynamic permanent loads. This means that you can trust it to perform reliably, no matter how demanding your driving conditions may be.

Another major benefit of this oil additive is that it won't leave any deposits, making it absolutely compatible with all commonly used filter systems. This is great news if you're looking for an additive that won't cause any unwanted buildup or clogs in your engine.

Finally, this oil additive is designed to resist extremely high and low temperatures, making it suitable for use in a wide range of environments and driving conditions. Whether you're driving in hot summer weather or freezing winter temperatures, you can trust this additive to keep your engine running smoothly.

In short, if you're looking for an oil additive that is versatile, reliable, and compatible with a wide range of motor oils and filter systems, this product is the perfect choice. Give it a try and experience the difference for yourself!

8. Fhs High-Performance Synthetic Motor Oil

The Smokeless Oil Set of 6 is a high-performance synthetic oil that is designed to protect and revive aging and worn-out engines. Manufactured from the finest ingredients, this smokeless oil is formulated to stop oil smoking, reduce emissions, and provide a cleaner, more environment-friendly vehicle.

This smoke-away oil is derived from high-performance racing oils and is specially designed to withstand extreme racing conditions. It uses innovative and cutting-edge technology to give new life to engines that have been worn out due to extended use and harsh operating conditions.

The Smokeless Oil Set of 6 is an ultra-pure, non-smoking oil that has a flashpoint greater than 500 F. This superior quality, full synthetic oil is free of volatile impurities found in other oils and is designed to reduce emissions and extend the mileage between oil changes. Although clear, it darkens slightly after use in an engine.

This smokeless synthetic oil is consumer-tested and proven to stop oil-related smoking, reduce pollution emissions, and extend the life of worn engines, enhancing the value of your car. It is an excellent engine revitalizer for used car sellers, owners, and buyers alike and provides the solution to automotive air pollution.

Using the Smokeless Oil Set of 6 is easy. Simply drain the old oil out, change the oil filter, and fill up with this smokeless synthetic racing oil. Results should be almost immediate. If the car is still smoking after 15 minutes, let it run for a little longer. However, be sure to use this oil without additives or mixing for optimal results.

9. Liqui Moly 2009 M0s2 Anti-Friction Engine Treatment – 300 Ml

The Liqui Moly MoS2 Anti-Friction Motor Oil Additive is the perfect solution to enhance the performance of your engine. This motor oil additive comes in a 300 ml can and is compatible with all types of vehicles.

The Liqui Moly MoS2 Anti-Friction Motor Oil Additive forms a high load-bearing film of lubricant on all friction surfaces of your engine. This helps to protect your engine from damage caused by friction and wear. It also helps to reduce the heat generated by friction, which in turn, increases the lifespan of your engine.

With Liqui Moly MoS2 Anti-Friction Motor Oil Additive, you will be amazed at how much better your engine sounds and how smoothly it runs even at very high RPM. This motor oil additive provides excellent control over your engine, ensuring that it runs optimally at all times.

The Liqui Moly MoS2 Anti-Friction Motor Oil Additive has a flash point of 181.0 degrees Celsius. This means that it has a high resistance to combustion and can withstand high temperatures without breaking down. This ensures that your engine remains protected even under extreme operating conditions.

10. Revitalizemax – Ultimate Engine Protection Additive

This engine oil additive is designed to restore and compensate for the wear of engine parts, ensuring a longer lifespan for your vehicle. Its unique formula includes a Revitalizant that actively protects against overload and overheating, while also lowering fuel consumption.

One of the key benefits of this engine oil additive is its ability to restore engine compression and repair worn surfaces. It accomplishes this by providing active protection against wear, making it a must-have for anyone looking to extend the lifespan of their engine.

In addition to its restorative properties, this engine oil additive also contains an atomic metal conditioner that further protects the engine against wear and tear. It is suitable for use in both gasoline and diesel engines, making it a versatile option for a wide range of vehicles.

Whether you're a car enthusiast or simply looking to extend the life of your vehicle, this engine oil additive is a reliable and effective solution. Its unique blend of parameters and specifications ensures that your engine is protected against wear and operates at peak efficiency.

Best Engine Oil Additive For High Mileage Cars FAQs

Are there any engine oil additives specifically designed for high mileage cars?

Yes, there are engine oil additives that are specifically designed for high mileage cars. These additives are formulated to address the common issues that arise in older engines such as oil burn-off, leaks, and reduced engine performance.

One common additive for high mileage cars is seal conditioner. This additive contains chemicals that can help to rejuvenate and soften aging engine seals, which can help to reduce oil leaks. Other additives that are commonly used for high mileage cars include detergents, dispersants, and anti-wear agents. These additives can help to clean out sludge and prevent engine wear.

It is important to note that not all engine oil additives are created equal, and some may not be suitable for your particular vehicle. It is always best to consult with a qualified mechanic or refer to your owner's manual before adding any aftermarket additives to your engine oil. Additionally, it is important to stick to the recommended oil change intervals and use high-quality oil to ensure the longevity of your engine.

Are there any risks associated with using engine oil additives for high mileage cars?

Yes, there are some risks associated with using engine oil additives for high mileage cars. One of the major risks is that the additive may react with the existing engine oil and cause it to break down prematurely, leading to engine damage and reduced performance. Another risk is that the additive may not be compatible with the engine's internal components, leading to corrosion or other types of damage.

Additionally, some additives may contain harmful chemicals that can cause health problems if they are ingested or inhaled. It is important to read the label carefully and follow the manufacturer's instructions when using any engine oil additive. It is also advisable to consult with a qualified mechanic or auto technician before using any type of additive in your car's engine.

Ultimately, the best way to ensure that your high mileage car is running smoothly and efficiently is to follow the manufacturer's recommended maintenance schedule and use high-quality engine oil that meets the manufacturer's specifications.

Can engine oil additives help prevent engine wear and tear in high mileage cars?

Yes, engine oil additives can help prevent engine wear and tear in high mileage cars. High mileage cars are more prone to engine wear and tear due to the accumulated miles and age of the car. Engine oil additives can help improve the performance of the engine oil and provide additional protection to the engine.

Some engine oil additives contain friction modifiers that reduce friction between the moving engine parts, protecting the engine from wear and tear. Other additives help to clean the engine components, remove sludge and deposits, and prevent rust and corrosion.

However, it is important to note that not all engine oil additives are created equal, and some may not be suitable for your specific car model or engine type. It is recommended to consult with a mechanic or refer to your car's manual before adding any engine oil additives. Additionally, regular oil changes and following the manufacturer's recommended maintenance schedule are also crucial in preventing engine wear and tear in high mileage cars.

Can engine oil additives really improve the performance of high mileage cars?

Engine oil additives have been marketed as a solution to improve the performance of high mileage cars. However, the effectiveness of these additives is a topic of debate among experts in the automotive industry. There are different types of additives, each with different purposes. For example, some additives are designed to reduce engine wear, while others improve fuel economy or increase horsepower.

While some car owners swear by the benefits of oil additives, others claim that they are unnecessary and potentially harmful. It is important to note that engine oil is formulated to meet specific requirements and standards set by the manufacturer. Adding aftermarket additives may alter the chemical composition of the oil and potentially damage the engine.

If you are considering using an engine oil additive, it is important to do your research and consult with a trusted mechanic or automotive expert. They can provide insight into which additives, if any, may be appropriate for your specific vehicle and driving habits. Ultimately, it is up to the individual car owner to weigh the potential benefits and risks of using engine oil additives.

How do engine oil additives for high mileage cars differ from regular engine oil additives?

Engine oil additives for high mileage cars differ from regular engine oil additives in their specific formulation and purpose. High mileage engine oil additives are designed to cater to the specific needs of engines with over 75,000 miles, which have undergone wear and tear, and have developed performance issues. Regular engine oil additives are formulated to provide basic lubrication and protect the engine from wear and tear.

High mileage engine oil additives contain seal conditioners that help prevent oil leaks by rejuvenating old and worn out engine seals. They also contain detergents and dispersants that help clean and remove sludge and deposits from the engine, which can accumulate over time in high mileage engines. In addition, high mileage engine oil additives contain friction modifiers that reduce engine wear and tear, and improve fuel efficiency.

Overall, high mileage engine oil additives are designed to provide extra protection and support to engines that have undergone wear and tear, and help them perform optimally. It is important to note that high mileage engine oil additives should only be used in engines with over 75,000 miles, as they may not be effective for engines with lower mileage.

How do you choose the right engine oil additive for your high mileage car?

Choosing the right engine oil additive for your high mileage car requires careful consideration of several factors. Firstly, it’s important to determine the specific needs of your engine, as some additives are designed for specific types of engines. Next, you should consider the condition of your engine and the type of driving you do. High mileage engines may require additives that help reduce oil consumption, restore compression, and prevent leaks.

It’s also important to consider the quality and reputation of the brand you choose. Look for additives that have been tested and proven to work effectively in high mileage engines. You should also read product reviews and seek the advice of a trusted mechanic or automotive expert.

When choosing an engine oil additive, it’s important to follow the manufacturer’s recommendations and use the correct amount. Overuse of additives can be harmful to your engine and may cause damage. By taking the time to research and choose the right engine oil additive, you can help extend the life of your high mileage car and improve its performance.

How often should you use engine oil additives for high mileage cars?

The frequency of using engine oil additives for high mileage cars depends on several factors such as the age, condition, and mileage of the vehicle. Generally, it is recommended to use engine oil additives every time you change your oil which is around every 5,000 to 7,500 miles. However, if your car has a high mileage or you notice some signs of engine wear such as oil leaks, burning oil, or decreased engine performance, then you may want to consider using engine oil additives more frequently.

It is important to note that not all engine oil additives are created equal and some may have negative effects on your engine if used too often. Therefore, it is always best to follow the manufacturer's instructions and recommendations for using engine oil additives. Additionally, it is always a good idea to consult with a professional mechanic or technician to determine the best course of action for your specific vehicle and driving habits.

What are some of the most popular engine oil additives for high mileage cars?

For high mileage cars, there are several popular engine oil additives that can help improve performance and protect against wear and tear. Here are some of the most common ones:

1. Zinc: Zinc is a popular anti-wear additive that can help protect against metal-to-metal contact and reduce engine wear.

2. Seal conditioners: As engines age, seals can start to crack and leak. Seal conditioners can help restore and maintain the elasticity of these seals, reducing the likelihood of leaks.

3. Detergents: Detergents help keep the engine clean by removing deposits and sludge that can build up over time. This can help improve engine performance and extend the life of the engine.

4. Friction modifiers: Friction modifiers can help reduce friction between engine parts, which can help improve fuel efficiency and reduce wear.

5. Viscosity improvers: Viscosity improvers can help maintain the proper viscosity of the engine oil, even at high temperatures. This can help ensure that the engine is properly lubricated and protected against wear and tear.

When choosing an engine oil additive, it's important to select a product that is compatible with your engine and meets the needs of your specific vehicle. Consult your owner's manual or speak with a professional mechanic for guidance on the best engine oil additives for your high mileage car.

What are the best engine oil additives for high mileage cars?

Choosing the best engine oil additives for high mileage cars can be overwhelming, but there are a few options that are worth considering. One of the most popular additives is the sea foam motor treatment. It is designed to clean and lubricate the engine components, reduce oil consumption, and improve fuel economy. Another great option is the Liqui Moly 20004 engine oil additive, which is formulated to reduce engine wear, improve performance, and extend the life of the engine. It can also help to reduce oil leaks and improve fuel economy. The Rislone 4405 engine oil supplement is another popular choice, as it is designed to reduce friction and wear, prevent oil leaks, and improve engine performance. It also contains a seal conditioner that can help to extend the life of the engine seals. Overall, it is important to choose an engine oil additive that is specifically designed for high mileage cars and meets the needs of your vehicle.

What benefits can you expect from using engine oil additives for high mileage cars?

Using engine oil additives for high mileage cars can provide several benefits. These additives are specifically designed to address the issues that may arise in engines with high mileage. One of the benefits of using engine oil additives is that they can help to reduce oil consumption. This is because the additives help to prevent oil from leaking out of the engine, which can be a common problem in high mileage cars.

Another benefit of using engine oil additives is that they can help to reduce engine wear and tear. This is because the additives contain chemicals that can help to protect the engine from the effects of friction and heat. This can help to extend the life of the engine and reduce the need for costly repairs.

In addition, engine oil additives can also help to improve engine performance. This is because the additives can help to clean the engine and remove any deposits that may have accumulated over time. This can improve the engine's efficiency and power output, which can result in better fuel economy and performance.

Overall, using engine oil additives for high mileage cars can provide several benefits that can help to improve engine performance, extend the life of the engine, and reduce the need for costly repairs.

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