There are several advantages of having a gasoline additive. In the following post, we will help you to select the best gasoline additives.

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Our Top Picks:

Best Overall: Buy: Lucas Oil Gasoline Additive READ REVIEW

Best For Outboard Motor: Buy: Star Brite Gasoline Additive READ REVIEW

Best For Old Gas: Buy: Iso-Heet Gasoline Additive READ REVIEW

Best For Unleaded Gas: Buy: K-100 Gasoline Additive READ REVIEW

Best For Regular Gas: Buy: Rislone Gasoline Additive READ REVIEW

Best For Fuel Economy: Buy: Hot Shots Secret Gasoline Additive READ REVIEW

Best For Good Value: Buy: Niteo Gasoline Additive READ REVIEW

Best For Many Years: Buy: Hapco Products Co Gasoline Additive READ REVIEW

Best For Storage: Buy: Liqui Moly Gasoline Additive READ REVIEW

Best Overall: Lucas Oil Gasoline Additive

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Compared with other additives in this category, the Lucas Oil Gasoline Additive has a design with broader appeal. The luca oil gasoline additive saves money and it is great for engine light. It gives your fuel system what it really needs. Moreover, the additive is designed for synthetic oil, is made for good stuff and it is highly recommend.

The additive has increased power and it has increased mileage. Above all, the lucas oil gasoline additive is formulated for both gasoline and diesel engines, carbureted or fuel injected.

Almost all buyers opine that the additive is a good stabilizer for small engines that are not run lot and sit. Further, they say that the additive is great for older high - mile vehicles. Moreover, a few say that the additive cleans everything out all at once with no problems or smoke. To sum up, most buyers agree that the additive suits best, and no one questions it.

• This has features for a very good price and it is perfect for more power.
• This has improved the responsiveness of the 3.0 liter v6.
• It runs smooth and it works better.
• This is good for fuel pump and it has miles per gallon.

Best For Outboard Motor: Star Brite Gasoline Additive

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The Star Brite Gasoline Additive might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. The star brite gasoline additive is great for engine light and it only slightly. It keeps working to clean your fuel delivery system, so your engines start easily and run strong. This gasoline stabilizer helps improve mpg, eliminate black soot and exhaust stains, reduce emissions, remove carbon build - up, and eliminate and prevent ethanol fuel problems for maximum performance.

The additive is made for good value and it is highly recommend. Most importantly, the star brite gasoline additive is easy to use and it keeps fuel fresh.

Most buyers quickly discovered that the additive is perfect for winterizing the fuel tank on a boat. Further, a few strongly agree that the additive is a great treatment for gas in vehicles, RV'S and generators. In short, buyers found this to be one of the best additives for daily purposes.

• This is great for older automotive engines that aren't updated for ethanol.
• This is one of the best to deal with the moon shine or ethanol.
• This is ideal for everyday use and seasonal storage.
• This will add a measuring cap to it.

Best For Old Gas: Iso-Heet Gasoline Additive

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Iso-Heet is known for creating pragmatic and minimalist additives for people on the go, and its line of Iso-Heet Gasoline Additive definitely falls in line with that reputation. The iso-heet gasoline additive is made for good stuff, has a twist off cap and it is easy. Gold eagle iso-heet premium fuel-line antifreeze, water remover & injector cleaner is the premium gas-line antifreeze that absorbs up to 5 times the water of regular gas dryers. Further, the additive is effective, is great for shelf life and it fills the tank.

The additive prevents rust, Go ahead and it is industrial. Most importantly, the iso-heet gasoline additive is great for engine light and it works with diesel fuels.

Almost all customers agree that the additive works well when mixed with the liquid lanolin according to the recipe. Moreover, they also found that the additive is much cheaper at Zoro for less than $2.

• This is mostly alcohol, so it likely will not cause any problems.
• Absorbs 5 times more water than regular gas dryers.
• This is great to mix with 100% lanolin for case lube for reloading.
• This is easy to inject into the gas tank.

Best For Unleaded Gas: K-100 Gasoline Additive

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K-100 is known for creating pragmatic and minimalist additives for people on the go, and its line of K-100 Gasoline Additives definitely falls in line with that reputation. The k-100 gasoline additive is effective, does the job and it is highly recommend. Make sure this fits by entering your model number. Further, it has better throttle response and it should give it a try.

Finally, the k-100 gasolineadditive is perfect for snow blowers, started immediately and it is very happy.

Almost all buyers opine that the additive improves performance on engines. Also, they strongly agree that the additive is the best option available and it works. And, a few say that additives make a profound difference.

• This comes with part number and it is designed for more power.
• Package dimensions: 8.128 l x 25.654 h x 8.382 w (centimeters).
• This can be used in an atv, wood splitter, chain saws, and snow blower.
• This is best for 2 - cycle engines.

Best For Regular Gas: Rislone Gasoline Additive

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Rislone offers a variety of additives for personal choice and yet maintains quality in all the variants. The Rislone Gasoline Additive is made for good stuff and it is a great item. The manufacturer says: With over 100 years of experience under our belt, you can trust our revolutionary performance products will give your car a fighting chance at a long, healthy life. The best all in one gasoline fuel additive money can buy.

The additive works very well and it comes with part number. And, this can see improvement in fuel economy, is effective and it noticed the difference. Finally, the rislone gasoline additive is equal to a bottle of regular injector & complete fuel system cleaner, upper cylinder lubricant, fuel stabilizer and conditioner, dry gas, gas treatment and octane booster.

Almost all buyers agree that the additive works with all regular unleaded, premium, oxygenated, and e10 e15 e85 ethanol containing flex fuels. Moreover, they also found that the additive cleans the fuel injectors but lubricates the upper cylinder walls.

• This is good as redline, or lubeguard, or gumout.
• This works with all unleaded, oxygenated, and e10 e15 e85 ethanol containing fuels.
• This is easy to use, runs smoother and it works as advertised.
• This is best with high octane fuel and every 5k miles.

Best For Fuel Economy: Hot Shots Secret Gasoline Additive

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If you often find yourself scrambling for appropriate and satisfactory additive, Hot Shots Secret Gasoline Additive is your end point. Further, it has improved performance and it is made for good stuff. The Manufacturer says: We developed our gasoline extreme highly concentrated formula as a complete solution for your gasoline engine's cleaning and lubricant needs. Lastly, the hot shots secret gasoline additive is safe for gasoline equipment of all types, small and large engines alike.

Almost all customers opine that the additive is used to clean fuel injectors. Further, they say that the additive is the first time of use and size of the gas tank. Moreover, a few say that the additive will clean the entire induction system.

• This works for all carburetor, multi-port, and direct injection fuel systems.
• Stabilizes ethanol, smooths idle, dissolves gum & varnish.
• Restores performance, power & fuel mileage.
• Increases fuel economy by 7.9% (verified by 3rd party testing).

Best For Good Value: Niteo Gasoline Additive

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Niteo line of additives comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Niteo Gasoline Additive is great with great stuff and it makes for happy fuel. Make sure this fits by entering your model number. Further, this allows older engines designed for use with "leaded" gasolines to run safely with low lead or unleaded fuels when used as directed.

The additive is easy to use and it is made with great stuff for antique. Most importantly, the niteo gasolineadditive is designed to prevent valve recession.

Almost all buyers quickly discovered that the additive would burn out with the new gas has no led in it. In addition, a few say that the additive protects against valve seat wear.

• Prevents valve damage and upper cylinder wear in older engines.
• This is not designed nor tested as a fuel stabilizer.
• This is perfect for classic cars, can buy for good value and it is convenient.
• Coats with a protective film designed to prevent valve recession.

Best For Many Years: Hapco Products Co Gasoline Additive

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We would, of course, be remiss if we didn't mention Hapco Products Co Gasoline Additives for regular use. The Hapco products co gasoline additive runs great and it helps stop power. Use regularly as you fill up. In addition, the additive is best for customer service and it works well for fuel pump.

The additive is designed to help fuel become more efficient and increase fuel economy. Above all, the hapco products gasoline additive provides maximum lubrication to any fuel system.

Almost all customers agree that the additive is not recommended to use lead additives. In addition, a few also found that the additive provides the lead additives for engines that need leaded gas. In conclusion, most buyers agree that the additive suits best, and no one questions it.

• This is good for many years.
• This is great to keep the valves in good working order.
• Safe for any type of fuel system.
• This is designed for unleaded fuel with ethanol.

Best For Storage: Liqui Moly Gasoline Additive

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The Liqui Moly line of additives comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Liqui Moly Gasoline Additive allows for more power and it saves you money. The Manufacturer says: In recent years, we have repeatedly received top marks in the readers’ polls of leading car magazines in Germany. This highly modern fuel additive was specially developed to noticeably improve acceleration and throttle response under partial load.

The additive has increased throttle reaction and it is highly recommend. Moreover, it starts better and it is made for a pretty good punch. Finally, the liqui moly gasoline additive comes with over 4, 000 products relating to motor and transmission oils, fuel and oil additives, vehicle care, chemical repair aids as well as service products, adhesives and sealants, Liqui Moly offers a globally unique range of absolute top quality.

Almost all buyers opine that the additive does what they say they like a lot. In addition, they also found that the additive improves combustion and acceleration, it is not an octane booster. Also, they strongly agree that the additive can be used in all vehicles that have a fuel injection system. To sum up, the tone of buyers is very positive and we believe that the additive suits the purpose.

• This is great with great stuff and it is optimum.
• This cleans the fuel system while providing maximum engine performance and efficiency.
• For adding directly to the fuel tank.
• This is 1/2 full and then top the tank off.