The 7 Best heat Fuel Oil Additives (2023 reviews)

We consider a heat fuel oil additive to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Lucas Oil heat Fuel Oil Additive READ REVIEW

Best For motorcycle: Buy: Hot shots Secret heat Fuel Oil Additive READ REVIEW

Best With Most Diesel Additives: Buy: Stabil heat Fuel Oil Additive READ REVIEW

Best For MPG: Buy: Rislone heat Fuel Oil Additive READ REVIEW

Best For High Mileage vehicles: Buy: Tribotex heat Fuel Oil Additive READ REVIEW

Best With conventional And Synthetic oils: Buy: slick 50 heat Fuel Oil Additive READ REVIEW

Best budget: Buy: rev x heat Fuel Oil Additive READ REVIEW

Best Overall: Lucas Oil heat Fuel Oil Additive

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a additive. The lucas oil heat fuel oil additive is exactly that - it's a simple additive that hits all the right notes. This one is thinner and is made for synthetic oil. It reduces def due to less fuel use. Startups are smoother, and there is less vibration. This causes the engine to run for a few seconds without lubrication to the valve train. It works great on any engine.

It is 15 degrees f out and the motor is real loud from valves and other wierd engine noises. You can also use this with conventional oil, and it will basically turn it into a synthetic blend.

• More dash light or notification of low engine pressure
• Best stuff you can put in your engine
• Fixed rattling coming from engine at idle

Best For motorcycle: Hot shots Secret heat Fuel Oil Additive

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The hot shots secret heat fuel oil additive is satisfactory and appropriate and fits well with your daily usage. The FR3 is a blend of three proprietary synthetic lubricants that have unique lubricating properties even compared to pao or mpao synthetics of the same viscosity. The synergy of these components extend the base oil performance in shear stability, oxidation stability, film strength & especially friction reduction. It reduces engine wear up to 43 percent and oil operating temperature.

The product mixes with all oils including synthetic. The bottle is stored inside the house with the lid tightly closed. It can be used with either synthetic or conventional oils.

• Reduced engine noise, better oil pressure, better mpg, increased throttle perfprmance
• Noticeable difference in fuel mileage or ticking noise
• Takes about 300 miles to clean out the engine
• Great product, increased gas mileage by about a mile and a half per gallon

Best With Most Diesel Additives: Stabil heat Fuel Oil Additive

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The stabil heat fuel oil additive is capable of outshining several other additive featured in this list in overall features for the price point. The Sta-bil diesel formula fuel stabilizer is a diesel additive that keeps fuel fresh for quick, easy starts and maximizes for engine performance. It is perfect to keep fuel stabilized on vehicle driven 200 miles per year with a 40+ gallon tank. It does prevent contamination by limiting how much humidity is in the tank/fuel. It's cost effective and can save you hours of lost time and costly repairs.

This product increases the power of the diesel right away. It has been tightly capped and stored in a cool, dry place. The engine runs better than ever. It is recommended to stick to the recommended dosage amount.

• Great opportunity for the algae to grow
• Better filter life and no problems with water
• Increased fuel mileage and runs smoother with stabil

Best For MPG: Rislone heat Fuel Oil Additive

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Compared with other additive in this category, the rislone heat fuel oil additive has a convenient design. The Rislone Octane Booster works with unleaded gasoline, ethanol E10 E15 E85 flex fuels and racing fuel. It is supposed to have only high octane fuel. This can be added before or after fill up as it will mix with the gas in the tank either way. It's also good for tuning where you can get a 93 octane tune or manually turn up the boost on your turbocharged car.

This product also restores lost horsepower and performance. It will not harm catalytic converters or oxygen sensors. It is a nice addition to the rotation.

• Eliminate 95% of pinging with low octane gasoline
• Great value & keeps the car healthy
• A great value mpg booster & healthy car booster

Best For High Mileage vehicles: Tribotex heat Fuel Oil Additive

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Next on the list, we've got yet another additive that manages to win our hearts. It's the tribotex heat fuel oil additive and it's widely considered as additive that has the most suitable features. It is time to improve your engine and take your driving experience to a new level. The Bars leak is designed to stop leaks. Since using it the engine runs smoother and feels like it is performing better. Misfires or sensors issues can cause dramatic variations in power and fuel consumption that can lead to further problems. The ideal approach is to extend residence time of material to whole oil change intervals. As long as your expectations are right you will be amazed.

Despite perceived results, the produced coating film is self-regulated and even in new cars with no mileage, the film is formed only where it needs to go. The product works as described. It has done wonders helping out with the wear and tear.

• It will run longer better from using this
• It claims to smooth out engine and increase mileage
• You need to buy the one for 2 stroke engines
• Had over 100 thousand miles got a slight noise

Best With conventional And Synthetic oils: slick 50 heat Fuel Oil Additive

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If you often find yourself scrambling for appropriate and satisfactory additive, slick 50 heat fuel oil additive is your end point. This product is very efficient for diesel or petrol engines. It is built from a base of full synthetic 5w. It has about 3700 hours on it and is, still, purring like a kitten. It can be used as often as very oil change for maximum effectiveness, but re-treat your engine at least every 12, 000 miles. It’s compatible with conventional and synthetic oils.

The engine itself has had the front covers off to replace belts and has had the valve covers off only to replace the valve cover gaskets. This combined with regular maintenance you can easily get 200k out of an engine. It will extend the life of your vehicle. It is a better solution for diesel and larger engines.

• Works great on engines that have been sitting for a long time
• Motor maintenance for any of them due to the effective lubrication qualities of slick
• Increase mpg 20% - degreased oil consumption
• Introduced in engine lubrication system, create a thin layer of teflon on metal surfaces

Best budget: rev x heat Fuel Oil Additive

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The rev x heat fuel oil additive is capable of outshining several other additive featured in this list in the price department. The REV X High Performance Oil Additive is formulated to be the highest performing oil additive available at any cost with zero downsides. It saves your fuel injectors, increases mpg. It polishes the spool valves in the injectors. It reduces operating temperatures to increase performance. It still takes a few cranks to start, but it smooths out almost immediately even on cold days.

The REV X High Performance Oil Additive fills that gap and then blows the previous specifications away with above and beyond performance and protection for any lubricated component in your pride and joy. If you're having stiction problems on your 7.3 or 6.0 powerstroke this is definitely worth a shot.

• Benefits of using rev x high performance oil additive
• Made a world of difference in engine sound, performance, and fuel economy
• Contains no graphite, moly, teflon, acids or any other harmful or dangerous additives