7 Best Additives for Burning Oil

If you're noticing blue exhaust smoke or your engine's burning through oil faster than usual, you're likely facing a common but concerning issue. While major engine repairs can be costly, oil additives offer a potential solution that won't break the bank. From traditional seal conditioners to cutting-edge nanoparticle technology, today's market offers various products that can help reduce oil consumption and extend your engine's life. You'll want to understand which additive best suits your specific situation, as choosing the wrong product could leave you with disappointing results or even cause additional problems.

Bars Leaks OS-1 Seal Engine Oil Burning/Leak Repair – 16.9 oz.

For engines burning less than a quart of oil per day, Bar's Leaks OS-1 stands out as a versatile solution that works across multiple vehicle types. You'll find it effective for both gasoline and diesel engines, including turbocharged, EcoBoost, hybrid, and racing applications.

This 16.9 oz bottle tackles oil consumption issues by renewing worn valve seals and guides while repairing leaking main seals and gaskets. It's not just for cars – you can use it in tractors, boats, RVs, motorcycles (even those with wet clutches), ATVs, and lawn equipment. The product's 4.1-star rating from over 3,000 customers suggests reliable performance, though results vary by engine condition. You'll need to add it during an oil change and may require continued use for ideal results. Some users report improvements within weeks of application.

Best For: Owners of older vehicles and equipment experiencing moderate oil consumption (less than 1 quart per day) who want an affordable solution before considering major engine repairs.

Pros:

• Versatile application across multiple engine types including cars, boats, lawn equipment, and motorcycles
• Easy to use during regular oil changes with no special tools required
• Cost-effective alternative to expensive mechanical repairs for oil consumption issues

Cons:

• Results can vary significantly between vehicles and engine conditions
• May require multiple applications or continued use for sustained effectiveness
• Not suitable for severe oil consumption problems (more than 1 quart per day)

LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU: 2020

Vehicle owners battling excessive oil consumption and blue exhaust smoke will find significant relief with LIQUI MOLY's Motor Oil Saver. This 300ml additive works by regenerating rubber and plastic engine seals while reducing oil loss through piston rings and valve guides.

You'll notice improvements in your engine's performance after driving 500-800 miles, as the product effectively minimizes leaks at elastomeric seals and reduces those troublesome blue exhaust fumes. With a 4.5-star rating from nearly 2,000 customers, it's proven particularly effective for high-mileage vehicles. While it's not a permanent fix, you'll appreciate how it dampens engine noise and helps prevent costly repairs.

For best results, you'll want to take longer highway drives after adding it to your engine. It's an excellent stopgap solution until you can address underlying mechanical issues.

Best For: High-mileage vehicle owners experiencing oil consumption issues, blue exhaust smoke, or minor oil leaks who need a temporary solution while planning for permanent repairs.

Pros:

• Effectively reduces oil consumption and blue exhaust smoke
• Regenerates engine seals and reduces leaks without expensive repairs
• Strong customer satisfaction with 4.5/5 stars from nearly 2,000 users

Cons:

• Takes 500-800 miles of driving to see full effects
• Not a permanent solution for serious mechanical issues
• Requires longer drives (highway trips) for optimal results

Rislone Hy-per Lube Zinc ZDDP Supplement – 11 oz.

Owners of classic cars and vehicles with flat tappet camshafts will find Rislone Hy-per Lube Zinc ZDDP Supplement vital for engine protection. This USA-made additive contains ZDDP and mixed esters that boost zinc and phosphorous levels in your engine oil.

You'll notice improved performance through reduced friction and wear, especially during cold starts. The supplement's clinging action keeps bearings properly lubricated, extends engine life, and prevents piston scuffing. It's particularly valuable for older engines, including those in classic cars like the '57 Belair and various motorcycle models.

When using this supplement, you'll need to exercise caution due to its significant friction-reducing properties. While it's compatible with other lubricants, careful application is essential. You can purchase it individually for around $14 or save money with a six-pack option at $37.95.

Best For: Owners of classic cars, vintage motorcycles, and vehicles with flat tappet camshafts who need additional zinc protection for their engines.

Pros:

• Provides essential ZDDP protection for older engines lacking modern oil additives
• Reduces engine wear and friction, particularly during cold starts
• Cost-effective solution available in single bottles or money-saving 6-packs

Cons:

• Requires careful application to avoid excessive friction reduction
• May not be necessary for newer vehicles with roller camshafts
• Higher price per bottle when purchased individually compared to bulk pricing

TriboTEX Nano Oil Additive Car Engine Treatment

Modern engines experiencing excessive oil consumption can benefit greatly from TriboTEX Nano Oil Additive Car Engine Treatment. This revolutionary additive uses synthetic nanoparticles to create a diamond-like carbon coating that reverses bearing wear and enhances engine performance.

You'll notice improvements in fuel efficiency, with some users reporting up to 50 extra miles per tank. The additive works quickly to reduce engine noise and provide smoother operation, though you should monitor oil consumption carefully in high-mileage vehicles. It's compatible with all motor oil types and works in both gas and diesel engines.

While the price point may seem high, the product's effectiveness and 100% satisfaction guarantee make it a worthwhile investment. You can easily add it during your next oil change, and you'll likely notice improvements in throttle response and engine temperature within a short time.

Best For: Vehicle owners looking to improve engine performance, reduce wear, and extend the life of both new and high-mileage engines, particularly those experiencing noise or efficiency issues.

Pros:

• Advanced nanoparticle technology creates a diamond-like coating that effectively reverses engine wear and improves performance
• Noticeable improvements in fuel efficiency, engine noise reduction, and smoother operation
• Compatible with all types of motor oil and comes with a 100% satisfaction guarantee

Cons:

• Higher price point compared to traditional oil additives
• Some users report increased oil consumption in high-mileage vehicles
• Results may vary depending on engine condition and mileage

STP 65148 Oil Treatment – 15 fl. oz.

The STP 65148 Oil Treatment stands out as a top solution for engines consuming excessive oil, thanks to its specialized ZDDP formula. This 15 fl. oz. treatment fights metal-to-metal friction while providing a thicker cushioning layer between moving engine parts.

You'll find this high-viscosity formula works effectively with both conventional and synthetic oils, making it versatile for all cars, trucks, and SUVs. If your vehicle has over 50,000 miles or you're noticing engine noise, you'll particularly benefit from this treatment. Users have reported smoother engine performance and reduced vibrations after application.

For best results, you'll want to add STP during your regular oil changes, possibly combining it with an STP Flush. It's especially beneficial for older vehicles with flat tappet camshafts, where the ZDDP anti-wear protection becomes essential for engine longevity.

Best For: Vehicle owners with high-mileage engines (50,000+ miles), those experiencing oil consumption issues, or drivers of older vehicles with flat tappet camshafts seeking enhanced engine protection.

Pros:

• Contains ZDDP anti-wear agent that effectively reduces metal-to-metal friction
• Compatible with both conventional and synthetic oils, making it versatile for all vehicles
• Proven track record of reducing engine noise and improving overall performance based on customer feedback

Cons:

• May not provide significant benefits for newer vehicles or those with low mileage
• Regular application needed during oil changes for optimal results
• Higher price point compared to basic oil additives

XADO Engine Oil Additive for Metal Protection and Surface Rebuilding

Professional mechanics and DIY enthusiasts seeking to restore worn engine components will find XADO Engine Oil Additive particularly effective. This innovative 3-component formula with Revitalizant technology rebuilds metal surfaces in your engine, working effectively in both gasoline and diesel engines up to 5 quarts.

You'll notice improvements in engine power, acceleration, and fuel efficiency after application. The additive restores lost oil pressure and provides protection against wear, overheating, and overloading for up to 60,000 miles. It's especially beneficial if you're dealing with burning oil issues, as users report reduced oil consumption and smoother engine operation.

To apply, simply shake the 225 ml bottle well and add it to your warmed engine after an oil change. While most users experience positive results, it's important to follow the application instructions carefully to achieve peak performance.

Best For: Vehicle owners and mechanics looking to restore aging engines, reduce oil consumption, and improve overall engine performance in gasoline or diesel engines up to 5 quarts.

Pros:

• Provides long-lasting protection and restoration for up to 60,000 miles per treatment
• Improves engine performance with increased power, better acceleration, and reduced fuel consumption
• Effectively rebuilds worn metal surfaces and restores normal oil pressure levels

Cons:

• Some users report negative experiences with engine issues after application
• Initial results may vary, with some users experiencing immediate benefits while others need longer
• Requires careful application and proper engine warming for optimal results

Bardahl No Smoke Motor Oil Additive (16 fl oz)

Drivers battling excessive engine smoke and oil consumption will find Bardahl's No Smoke Motor Oil Additive particularly effective. This 16 fl oz treatment uses an extra-thick formula to fill loose tolerances in aging engines, directly addressing oil burning issues and reducing exhaust smoke.

You'll appreciate how this additive seals empty spaces in your engine, quieting noisy lifters and improving overall performance. With one bottle treating up to 6 quarts of motor oil, it's simple to use – just shake well and pour it into a warm crankcase after an oil change. The formula helps restore lost compression and maintains engine function over time.

Backed by Bardahl's 85-year heritage in automotive additives, this product's 4.3-star rating from 525 reviews demonstrates its reliability in helping vehicles meet emission standards while reducing oil consumption.

Best For: This product is ideal for owners of older vehicles experiencing oil burning issues, excessive exhaust smoke, or engine noise who want to extend engine life and improve performance without major repairs.

Pros:

• Effectively reduces oil consumption and exhaust smoke in aging engines
• Helps quiet noisy lifters and improves engine performance
• Easy to use with one bottle treating up to 6 quarts of oil

Cons:

• May not be a permanent solution for severely worn engines
• Results can vary depending on the engine's condition and age
• Premium price point compared to basic oil additives

Factors to Consider When Choosing Additives for Burning Oil

Before selecting an oil additive to address burning oil issues, you'll need to evaluate several key factors about your vehicle's condition. Your engine's age and mileage, current oil consumption rate, and engine type will determine which additive solutions might work best for your situation. You should also consider any existing mechanical problems and how long you'll need to use the treatment, as some additives require multiple applications while others offer one-time solutions.

Engine Age and Mileage

When you're dealing with an aging engine, understanding its mileage and wear patterns becomes essential in selecting the right oil additives. Engines with over 100,000 miles often face unique challenges that require specific solutions, particularly when it comes to oil consumption and seal integrity.

If your engine's getting up there in miles, you'll want to focus on additives specifically designed for high-mileage vehicles. These formulations are engineered to address common age-related issues like worn valve seals, expanded oil passages, and deteriorating gaskets. As your engine ages, it's more likely to experience increased oil burning and develop minor leaks, which means you'll need additives that can both seal and protect.

Your maintenance strategy should adapt as your engine accumulates miles. The additives that worked well when your engine was newer might not be as effective now. Look for products that explicitly state they're formulated for older engines or high-mileage vehicles. These specialized additives can help rejuvenate aging seals and improve lubrication efficiency, potentially extending your engine's lifespan and reducing oil consumption through targeted treatment of wear-related issues.

Oil Consumption Rate

Understanding your engine's oil consumption rate is essential for selecting the right oil additives. If your engine uses less than one quart of oil per day, you're likely dealing with a manageable issue that additives can effectively address. This consumption rate often indicates worn valve seals and guides that can benefit from targeted treatment.

However, if you're experiencing higher oil consumption rates along with excessive smoke and increased emissions, you'll need to carefully evaluate whether additives alone can solve your problem. You should regularly check your oil levels to determine the severity of the issue. If you notice dramatic drops in oil levels, your engine may require more extensive repairs rather than just additive treatments.

When choosing additives, you'll need to match the product to your specific consumption rate and engine condition. Keep in mind that results can vary considerably among different vehicles and usage patterns. Don't rely solely on additives if your consumption rate indicates severe engine wear. Instead, use your oil consumption data to make an informed decision about whether additives are sufficient or if you need to pursue more thorough repairs.

Type of Engine

The type of engine in your vehicle largely determines which oil additives will work best for your burning oil situation. If you're driving a gasoline-powered vehicle, you'll need different additives than those designed for diesel engines, as each engine type has specific requirements and characteristics that affect additive compatibility.

Your engine's design features also matter greatly. If you've got a turbocharged or high-performance engine, you'll need additives that can handle extreme temperatures and pressures. For engines with flat tappet camshafts, you'll want to make sure your additive contains zinc (ZDDP) to prevent excessive wear on these critical components.

Consider your engine's age and condition when selecting additives. If you're driving a high-mileage vehicle, you'll benefit most from additives specifically formulated to restore aging seals and reduce oil consumption. Newer engines might do better with additives focused on maintaining performance and efficiency. Don't forget to check your engine's oil capacity – it must match the treatment volume specified by the additive manufacturer. Using too much or too little additive can compromise its effectiveness and potentially harm your engine.

Existing Mechanical Issues

Before diving into oil additives, you'll need to identify any existing mechanical problems in your engine that might be causing excessive oil consumption. Common culprits include worn valve seals, damaged gaskets, and deteriorating piston rings. If your engine is burning through more than a quart of oil per day, you're likely dealing with serious mechanical issues that additives can't fix on their own.

Pay special attention to your engine's components during regular maintenance checks. Your mechanic should inspect for visible leaks, unusual smoke, and signs of wear that could be contributing to oil consumption. If you're driving an older vehicle with a flat tappet camshaft, you'll need to take into account specialized additives designed specifically for this type of engine configuration.

Remember that additives typically offer temporary relief rather than permanent solutions. While they might help reduce oil consumption in the short term, they won't repair damaged mechanical components. It's crucial to address the underlying issues through proper repairs before investing in additives. This approach guarantees you're not masking symptoms that could lead to more severe engine damage down the road.

Treatment Duration Required

When selecting oil additives for burning issues, you'll need to factor in varying treatment durations for prime results. Different products can take anywhere from a few weeks to several hundred miles of driving before showing noticeable improvements. You'll typically need to drive between 500-800 miles with some additives to achieve peak effectiveness.

Keep in mind that most oil additives aren't permanent solutions, so you'll need to plan for ongoing treatment. While you might notice quick initial improvements, maintaining these benefits requires consistent application. Many products work best when added during regular oil changes, which can help you establish a routine treatment schedule.

Your specific timeline for results will depend on several key factors. The age and condition of your engine, severity of oil consumption, and your typical driving conditions all play significant roles in determining how quickly you'll see improvements. If you're using an additive for the first time, don't expect instant results. Instead, monitor your engine's performance over time and maintain patience throughout the treatment process. Remember that sustained benefits come from regular, consistent use rather than a one-time application.

Cost Vs Expected Results

Choosing the right oil additive requires carefully balancing cost against potential benefits. When evaluating options, you'll find prices ranging from $6 to $15 per bottle, but the initial cost shouldn't be your only consideration. Instead, focus on the value you're getting for your investment by examining the cost per treatment and expected longevity of results.

Look for products with ratings above 4.0 stars, as these typically demonstrate better effectiveness in addressing oil consumption and smoke issues. Pay close attention to dosage requirements – some higher-priced additives might actually be more economical if they require smaller amounts per treatment or offer longer-lasting effects of up to 60,000 miles.

Consider the bigger financial picture when making your decision. While you might save money upfront with a cheaper additive, a more expensive but effective product could save you greatly more by preventing costly engine repairs and reducing oil consumption over time. Calculate the long-term value by factoring in how frequently you'll need to reapply the treatment and the potential savings in maintenance and repair costs.

FAQs

How Long Does It Take for Oil Additives to Show Noticeable Results?

You'll typically notice results from oil additives within 100-300 miles of driving. Some benefits appear immediately, while others like reduced engine noise, improved performance, and better fuel economy take several days of regular use.

Can Oil Additives Damage Catalytic Converters in Modern Vehicles?

Like a sneaky saboteur, some oil additives can harm your catalytic converter. You'll want to avoid zinc-heavy additives, as they're known to coat and clog the converter's precious metal honeycomb structure.

Should Oil Additives Be Used During Every Oil Change?

You don't need additives at every oil change. They're only necessary if you're experiencing specific engine issues or following manufacturer recommendations. Modern oils already contain the essential additives your engine needs.

Are Oil Additives Safe to Mix With Synthetic Motor Oils?

You can safely use oil additives with synthetic motor oils, but it's not always necessary since synthetics already contain advanced additive packages. Check your owner's manual and only use compatible, high-quality additives if needed.

Do Engine Oil Additives Affect Vehicle Warranty Coverage?

Using aftermarket oil additives can void your vehicle's warranty. You'll want to check your warranty terms carefully and consult your owner's manual, as many manufacturers explicitly warn against using third-party oil additives.

Final Thoughts

Just as a skilled doctor prescribes the right medicine for your ailment, you'll need to choose the perfect oil additive for your engine's specific needs. Whether you're battling blue smoke, excessive oil consumption, or seeking enhanced protection, these seven additives can be your engine's lifeline. Consider your vehicle's age, symptoms, and the additive's primary function when making your selection to get the best possible results.