Use fresh, ethanol-free 87-octane gasoline – this is what gas to use in a snow blower for reliable starts and a long engine life. I always add a fuel stabilizer to keep it fresh all season long.
Putting the wrong fuel in your machine can cause big problems. It can lead to hard starts, poor performance, and costly repairs. I see this mistake happen every single winter.
I’ve tested many fuel types in my own snow blowers over the years. The results are very clear. Using the right gas makes all the difference on a cold morning.
This guide will walk you through the simple fuel rules. You’ll learn what to buy, what to avoid, and how to store it properly.
What Gas to Use in a Snow Blower: The Simple Answer
Let’s get straight to the point. You need to know what gas to use in a snow blower right now.
The best choice is regular 87-octane fuel. This octane rating is perfect for small engines. Higher octane fuels are a waste of money here.
More important than octane is the ethanol content. You want ethanol-free gasoline if you can find it. Ethanol attracts water and can damage fuel lines.
Always buy your gas from a busy station. Their fuel turnover is high, so the gasoline is fresh. Stale gas is a common cause of engine trouble.
I keep a dedicated gas can just for my snow equipment. I mark it clearly so no one uses it for the car. This prevents fuel mix-ups.
Remember this rule: fresh and ethanol-free. That’s what gas to use in a snow blower for best results.
Why Ethanol-Free Gas is the Best Choice
Ethanol is a common additive in today’s gasoline. It’s fine for your car but bad for your snow blower.
The main issue is moisture. Ethanol absorbs water from the air. This water then sits in your fuel system.
In freezing temps, that water can turn to ice. Ice blocks fuel lines and small jets in the carburetor. Your engine won’t start if this happens.
Ethanol can also break down old rubber fuel lines. It makes them soft and gummy. This gunk then clogs the fuel filter.
Using ethanol-free gas in your snow blower avoids these headaches. It stays stable in storage much longer. Your engine will thank you on the first cold pull.
Check local marinas or small engine shops. They often sell ethanol-free fuel. It’s worth the extra trip for peace of mind.
The Big Problem with Using Old Gas
Never use last season’s gas in your snow blower. This is a critical mistake I see all the time.
Gasoline starts to break down after about 30 days. It forms gums and varnishes as it gets old. These sticky residues clog the carburetor.
A clogged carburetor means no fuel flow. Your engine might sputter and die. Or it might not start at all.
I learned this lesson the hard way. I left gas in my blower over the summer one year. The repair bill was more than I want to admit.
Now, I always run the engine dry at season’s end. I also add fuel stabilizer to any gas I plan to store. This keeps it fresh for months.
If you’re unsure about your gas, just don’t use it. Pour it into your car’s tank (if it’s a small amount) and get fresh fuel. It’s cheaper than a repair.
Step-by-Step Guide to Fueling Your Snow Blower
Let’s walk through the right way to add gas. Doing it wrong can cause spills and problems.
First, make sure your machine is on a flat surface. Turn the engine off and let it cool down. Never add fuel to a hot engine.
Use a funnel with a fine mesh screen. This screen catches any dirt or debris. Clean fuel is happy fuel.
Fill the tank slowly to avoid splashing. Leave a little space at the top. This space is for fuel expansion.
Wipe up any spills right away. Gasoline can damage painted surfaces and plastic parts. It’s also a fire risk.
Securely tighten the gas cap when you’re done. A loose cap can let in moisture and dirt. Check that the vent on the cap is clear.
Finally, store your gas can in a safe, cool place. Keep it away from any open flames or sparks. Safety always comes first.
Using Fuel Stabilizer: A Non-Negotiable Step
You should use a fuel stabilizer every single time. Think of it as cheap insurance for your engine.
Stabilizer works by slowing down the chemical breakdown of gasoline. It keeps the fuel fresh for many months. This is key for seasonal equipment.
Add the stabilizer to your gas can first. Then add the fresh gasoline on top. This mixes it thoroughly as you fill the can.
Shake the gas can gently after filling. This ensures the stabilizer blends completely with the fuel. A good mix is important.
I use stabilizer even for gas I plan to use within a month. You never know when a warm spell will delay snow season. Better safe than sorry.
Brands like Sta-Bil are easy to find at any hardware store. Follow the mixing directions on the bottle. A little goes a long way.
What to Do If You Used the Wrong Gas
Mistakes happen. Maybe you filled up with E15 by accident. Don’t panic, but do act quickly.
First, do not start the engine. Starting it will pull the bad fuel into the carburetor. That makes the problem worse.
You need to drain the fuel tank completely. Use a siphon pump or a clean turkey baster. Get out every last drop you can.
Next, you should drain the carburetor bowl. There’s usually a small screw on the bottom of the carburetor. Place a container underneath to catch the old fuel.
After draining, fill the tank with the correct ethanol-free gas. Add a double dose of fuel stabilizer this time. It helps clean out any residue.
If the engine still won’t start or runs poorly, the carburetor might be clogged. You may need to clean it or take it to a small engine repair shop.
Learn from the mistake. Label your gas cans clearly to avoid a repeat next time. Knowing what gas to use in a snow blower saves you this trouble.
Winter Fuel Storage Tips for Reliable Starts
How you store your fuel matters as much as what you buy. Follow these tips for easy winter starts.
Store gasoline in an approved, sealed metal or plastic container. The container should be clearly marked for gasoline only. Never use a milk jug or similar bottle.
Keep your gas can in a cool, dry place out of the sun. A shed or detached garage is ideal. Avoid temperature swings if you can.
Fill your storage can to about 95% full. This leaves a little air space for expansion. It also limits the amount of moist air inside the can.
According to the U.S. Environmental Protection Agency, proper fuel storage prevents spills and pollution. It’s good for your machine and the environment.
Check your stored gas every month or so. If it looks dark or smells sour, it’s time to replace it. Fresh gas has a much lighter, almost clear color.
Having a good storage routine means you always have ready fuel. When the storm hits, you can fuel up and go without worry.
Understanding Octane Ratings for Small Engines
You see different numbers at the pump: 87, 89, 91. What do they mean for your snow blower?
Octane measures a fuel’s resistance to “knocking” or premature ignition. High-performance car engines need high octane. Small engines do not.
Your snow blower engine is designed for 87-octane fuel. Using a higher octane like 91 offers no benefit. It’s just a waste of your money.
In fact, some high-octane fuels have more detergent additives. These additives can sometimes cause issues in small, simple carburetors. Stick with regular.
The U.S. Department of Energy states that using the recommended octane is best. Using a higher grade won’t make your engine run better or cleaner.
So remember, 87 octane is the sweet spot. This is what gas to use in a snow blower for the right balance of performance and value.
Pre-Season Fuel System Checkup
Before the first snow, give your fuel system a quick once-over. This takes ten minutes and prevents most problems.
Start by checking the fuel line for cracks or brittleness. A cracked line can leak or suck in air. Replace it if it looks old.
Look at the fuel filter (if your model has one). It’s usually a small cylinder in the fuel line. It should look clean, not dark or clogged.
Inspect the gas tank cap and its vent. Make sure the vent hole is not blocked by dirt. A blocked vent creates a vacuum and stops fuel flow.
Drain any old fuel from the tank and carburetor if you didn’t do it last spring. Even with stabilizer, I prefer to start the season with all-new gas.
Finally, add fresh, stabilized, ethanol-free fuel. Start the engine and let it run for a few minutes. This gets the good fuel through the entire system.
This simple checkup ensures your first pull starts the engine. You won’t be stuck fiddling with fuel issues during a blizzard.
Frequently Asked Questions
What gas to use in a snow blower for the best performance?
Use fresh 87-octane, ethanol-free gasoline. Add a fuel stabilizer before you fill the tank. This combination gives you the most reliable starts and power.
Can I use premium gas in my snow blower?
You can, but you shouldn’t. Premium gas is a waste of money for small engines. Your machine is designed to run perfectly on regular 87-octane fuel.
Is it okay to use gas with ethanol in a snow blower?
It’s not recommended. Ethanol attracts water which can freeze in your fuel lines. If you must use it, add a fuel stabilizer and don’t store it long. The Federal Trade Commission notes that ethanol blends can cause issues in small engines.
How long can gas stay in my snow blower?
Gas with a good stabilizer can last up to 6 months in the tank. Without stabilizer, try not to leave it for more than 30 days. Old gas is the top cause of starting problems.
What should I do with old gas from my snow blower?
Don’t pour it on the ground. Many towns have hazardous waste collection days. You can also ask a local repair shop if they’ll take it. A small amount can be diluted in your car’s nearly full gas tank.
Why does my snow blower start with fresh gas but not old gas?
Old gas breaks down and forms varnish. This varnish clogs the tiny passages in the carburetor. Fresh gas flows freely, so the engine gets the fuel it needs to start and run.
Conclusion
So, what gas to use in a snow blower? The answer is clear and simple.
Stick with fresh, ethanol-free 87-octane
