Can I put Rubbing Alcohol in my Gas Tank?

can i put rubbing alcohol in my gas tank

Adding Rubbing Alcohol to the vehicle’s gas tank is a common practice. Individuals around the world do so in order to eliminate water from the gas tank.

Although it may not be the best idea, it surely is a great rescue under different circumstances.

What happens if you add Alcohol to Gasoline?

Individuals who own cars with gas tanks know the struggle of driving them with water in the tank.

Water in the gas tank not only leads to danger or damaging the vehicle but can also cause severe accidents.

That is why the moment you sense water in your gas tank; you should do something to overcome it.

Wondering how? Simply pour some pure Rubbing Alcohol into your Gas Tank.

Adding Rubbing Alcohol to Gasoline or Gas tank eliminates the presence of water from the same. The principle behind it is:

When you add Rubbing Alcohol to Gasoline (combination of Gas and water), Alcohol sits at the bottom and absorbs all the water.

It further forms a combination that eliminates from the tank as and when it burns up (during driving). This combination isn’t harmful to the car but definitely helps in fighting water mixed in Gas.

Is it safe to put Rubbing Alcohol in a gas tank?

Putting Rubbing Alcohol in a gas tank is safe to the condition when you are using a pure concentration.

That means putting 99% or 91% Isopropyl in a gas tank will keep all the possibilities safe. However, adding 70%, Isopropyl isn’t recommended.

It is because Rubbing Alcohol in a gas tank works as a water absorber. And as 70% Isopropyl already contains a good amount of water, it inside gas tanks behaves like a poor absorber.

It isn’t totally unsafe, but it might prove harmful for the vehicle under a few circumstances.

Can Rubbing Alcohol be used as fuel? Can a car run on Rubbing Alcohol?

Alcohols for ages are used as fuel. For example, the Aliphatic compounds methanol, Ethanol, propanol, and butanol are common chemical and biological fuels.

Ethanol (Rubbing) Alcohol even today comes as a handy fuel for cars, but there are several reasons why individuals should not use it.

Ethanol (Rubbing) Alcohol, though it can make the car run/ operate, it is bad for Cold starting. It happens because it has 30% less energy than Gasoline; thus, Ethanol takes time for burning.

Especially if you are using Ethanol Alcohol in your cars during winters, it will behave completely useless.

Further, there are rarely any passenger cars in the world whose Engine can take E100, i.e., 100% Ethanol. A few flexible vehicles might take E85 (85% Ethanol), but it can still damage the car’s engine.

Lastly, Since Alcohol can absorb water, using it regularly can lead to rust problems in the fuel tank and line.

Can you run an engine on Isopropyl Alcohol?

No, Isopropyl Alcohol does not have the energy of Running an Engine. Even when you add Isopropyl into the Engine, it will somewhat take a low start but will eventually shut down.

This is because if the air-fuel ratio for Gas is 20:1, it requires a 10:1 air-fuel ratio for Isopropyl Alcohol.

However, when you mix Isopropyl with Gasoline or Petrol, the Engine will surely start. Still, we condemn such acts without detailed knowledge about the disadvantages and dangers.  

What happens if I put Denatured Alcohol in my gas tank?

Upon adding Denatured Alcohol in the gas tank, it can attack the rubber components of the entire fuel line.

Only a small amount (half a pint to 1 pint) of Denatured Alcohol once in a while is safe for the gas tank.

Though if you increase the quantity and frequency, the gas tank may experience several damages.

Can you use Rubbing Alcohol to clean a carburetor?

Yes, Rubbing (Isopropyl) Alcohol is great for cleaning Carburetor.

This solvent comprises propane and water, which evaporates fast, leaving zero residues behind.

Here’s the step-by-step demonstration for using Rubbing Alcohol to clean a carburetor:

  1. Firstly, gather a bottle of Isopropyl Alcohol solution, a lint-free (microfibre) cloth, and a spray bottle.
  2. Now from the Carburettor, remove all the plastic and rubber parts you aim to clean.
  3. Further, fill Isopropyl in a spray bottle and, with its help, spray all the parts nicely with Alcohol. Make sure the Alcohol solution covers all the areas.
  4. Leave the treated parts for at least 15 to 30 minutes.
  5. Now take the lint-free cloth and wipe all the rubber and plastic parts. The grease and grime over them will now easily come off.

Can you put Rubbing Alcohol in diesel fuel?

Mixing Rubbing Alcohol into Diesel in any form or environment always shows counterproductive effects.

It happens because Diesel as a fuel has a very low octane number and a high cetane number.

In contrast Rubbing Alcohol has low cetane numbers and a very high-octane number.

Can you put Vodka in the gas tank?

It is true that vehicles can rely upon Alcohol (Ethanol) for their operations, but that doesn’t mean you can try any other Alcohol for experimenting.

When you add Vodka into your gas tank, it will flood up through your filter, resulting in power loss.

Your Engine, though, will start, but you might notice some glitches in its performance. This happens because Vodka is not Alcoholic enough.

And if the quantity of Vodka is high, it will simply stop the Engine from operating at all.

What is the best fuel treatment for water in Gas?

Water in gas tanks is one of those problems that require immediate attention. On highways, when you are troubled with high-speed despite having a perfect vehicle, chances are your gas tank has to water.

Upon driving further, you may notice sudden changes in speed without you manually operating the same.

However, to overcome the situation, you can use Fuel Stabilizers. There are a lot of options available in the market, and we have found some best amongst them:

  • ISO-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner

It helps in improving the Engine’s performance and Increase Gas Mileage.

ISO-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner - Helps Increase Gas Mileage - Improves Engine Performance - Year Round Performance, 12 fl. oz. (28202) , Red
  • No.1 selling brand of premium gas-line antifreeze
  • Absorbs 5 times more water than regular gas dryers
  • Removes water from fuel system
  • Prevents rust and corrosion
  • This item is not for sale in Catalina Island
  • STA-BIL Storage Fuel Stabilizer

Also, keeps fuel fresh for up to 2 years and is effective for all Gasolines.

Sale
STA-BIL Storage Fuel Stabilizer - Keeps Fuel Fresh For Up To Two Years, Effective In All Gasoline Including All Ethanol Blended Fuels, For Quick, Easy Starts, Treats Up To 80 Gallons, 32oz (22214)
  • STORAGE – STA-BIL Storage Fuel Stabilizer eliminates the need to drain fuel and keeps gasoline fresh for up to 24 months. Never fear your car or small engine refusing to start due to fouled fuel. This product is effective in all gasoline and ethanol blended fuels including E-10 through E-85.
  • ENSURES QUICK, EASY STARTS – Treating your gas with this fuel stabilizer prevents gum, varnish, rust, and corrosion in your fuel tank, all of which are costly to repair. The 32 oz. bottle of this alcohol-free fuel additive treats up to 80 gallons of fuel, and it is perfect to use prior to storing either your vehicle or outdoor power equipment for an extended period.
  • VERSATILE – STA-BIL Storage Fuel Stabilizer is safe for use in all gasoline engines, including 2-cycle. Use this fuel treatment in your vehicle, motorcycle, lawn mower, snow blower, boat, and generator.
  • DIRECTIONS – Bottle Directions: To measure small quantities: remove small cap and seal (on long neck), squeeze bottle to desired level, and pour. To measure large quantities: remove large cap and seal, pour (measurements on bottle side). Usage Directions: 1 oz (30 mL) treats up to 2.5 gallons (9.5 L) of fuel. Use STA-BIL only with fresh fuel and keep gas can or tank 95% full to avoid condensation build up during storage. Run engine for 5 minutes after adding product to treat entire fuel system.
  • SHELF LIFE – All STA-BIL branded products are good for use up to 2 years after the bottle was opened. Be sure to mark the date you opened the bottle on the back of your package! Proudly made in the USA by a family-owned company in Chicago, Illinois.
  • Star Tron Enzyme Fuel Treatment Concentrate

It improves MPG, increases Horse Power, Rejuvenates & Stabilize Old Gasoline and reduce Emission.

Sale
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Gasoline Formula - 1 oz. Treats 16 Gallons - 32 OZ (093032SS)
  • Cures and prevents ethanol fuel problems; helps prevent phase separation
  • For everyday use and seasonal storage; stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel
  • Makes engines start easily and run smoothly; improves fuel economy and reduces emissions
  • Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions
  • Concentrated formula #930XX is economical to use in large and small applications; safe for use in all engines (including 2-cycle pre-mix)

Wrapping up…

Rubbing Alcohol works wonderfully for removing water from Gasoline.

However, it isn’t a professional solution, and better alternatives are already available in the market.

However, if you still want to go with Alcohol, choose Isopropyl and only use it in small quantities.

We hope that all this information above will help you overcome that water problem in gas tanks and Gasoline.

We're an affiliate! We may earn a small commission when you make a purchase from product links at no additional cost to you!

Scroll to Top