What Is Needed To Run E85

Are you interested in running E85 in your vehicle? E85 is a blend of ethanol and gasoline that can provide numerous benefits, including increased horsepower and reduced emissions. However, before you can start running E85, there are several important factors to consider.

Firstly, it’s crucial to understand what E85 is and how it works. E85 is a fuel blend that typically contains 51-83% ethanol, with the remaining percentage being gasoline. This high ethanol content means that E85 burns cleaner than gasoline, which is great for the environment. However, it can also lead to lower fuel economy, so it’s important to keep this in mind when making the switch.

In this article, we’ll cover everything you need to know to successfully run E85 in your vehicle, from determining compatibility to modifying your fuel system. So, let’s get started!

Understand What E85 is and How it Works

So, if you want to run your car on E85, you’ll need to understand what it is and how it works.

E85 is a type of fuel mixture that contains up to 85% ethanol and 15% gasoline. Ethanol is a renewable energy source made from crops such as corn, sugarcane, and barley. It burns cleaner than gasoline, which means it produces fewer harmful emissions.

This is why many people are turning to E85 as a more eco-friendly alternative to traditional gasoline. Aside from being eco-friendly, there are also benefits of using E85. For one, it has a higher octane rating than regular gasoline, which means it can provide more power for your engine. It’s also cheaper than gasoline, so you’ll save money in the long run.

However, it’s worth noting that E85 is only compatible with certain types of vehicles. You’ll need a flex-fuel vehicle that is specifically designed to run on E85. Additionally, the production of E85 can have its own environmental impact, as it requires a lot of energy to produce and transport the ethanol.

Determine if Your Vehicle is E85 Compatible

To figure out if your car can handle E85 fuel, you’ll need to perform a compatibility check. Your first step should be to check the owner’s manual for any information on E85 compatibility. If your manual doesn’t provide this information, you can use an online compatibility database to determine whether your vehicle can handle E85 fuel.

If your vehicle is not E85 compatible, you’ll need to undergo a conversion process in order to switch to E85 fuel. This process typically involves installing larger fuel injectors, a higher-flow fuel pump, and a new E85-compatible fuel system. It’s important to note that converting your vehicle to E85 is a complex process that should only be done by a qualified professional.

If you’re interested in switching to E85 fuel, be sure to do your research and find a reputable mechanic who can help guide you through the conversion process.

Modify Your Vehicle’s Fuel System

If you plan to use E85 fuel in your vehicle, it’s crucial to modify your fuel system to ensure optimal performance. Upgrading your fuel lines, fuel injectors, and fuel pump can help your vehicle handle the higher ethanol content in E85.

Installing a larger fuel pump will also ensure that your engine receives enough fuel to operate efficiently. With these modifications, you can enjoy the benefits of using E85 in your vehicle.

Upgrade Fuel Lines

Upgrading your fuel lines is crucial for safely unleashing the full power of e85, giving you the confidence to push your engine to the limit.

When it comes to fuel line material, it’s important to choose a material that’s compatible with e85. Most fuel lines are made of rubber, but rubber isn’t compatible with e85 and will break down over time. Instead, you should opt for fuel lines made of materials such as stainless steel, Teflon, or nylon that can handle the corrosive nature of e85.

The installation process for upgraded fuel lines can be complex and requires some technical knowledge. It’s important to ensure that the fuel lines are installed correctly to prevent any leaks or potential fire hazards.

Cost considerations should also be taken into account when upgrading fuel lines, as higher quality materials can come with a higher price tag. For those who aren’t confident in their ability to install fuel lines, it’s recommended to seek professional installation to ensure safety and proper function of the upgraded fuel system.

Upgrade Fuel Injectors

Upgraded fuel injectors are essential for unleashing maximum power from your engine on e85. When upgrading your fuel injectors, it’s important to choose the right size and type for your specific vehicle.

Injector sizing is crucial as it determines how much fuel is delivered to the engine. Larger injectors can deliver more fuel, but if they’re too large, they can lead to poor idle and drivability issues. On the other hand, smaller injectors may not be able to deliver enough fuel to the engine and can limit its performance potential.

Fuel pressure requirements must also be taken into consideration when upgrading your fuel injectors. The increased flow rate of larger injectors requires higher fuel pressure to maintain proper fuel atomization and prevent fuel starvation. It’s important to ensure that your fuel system can handle the increased pressure and flow rate.

Upgrading your fuel injectors can greatly improve the performance of your engine on e85, but it’s important to choose the right size and type and ensure that your fuel system can handle the increased demand.

Install a Larger Fuel Pump

You’ll want to install a larger fuel pump to ensure your engine is getting the fuel it needs to perform at its best on e85. Running e85 requires more fuel than gasoline, so a larger fuel pump is necessary to keep up with the demand.

Without it, your engine may not receive enough fuel, causing it to run lean and potentially damaging your engine. To install a larger fuel pump, you’ll need to select a pump that is compatible with your vehicle and provides enough fuel flow for your engine’s needs.

Upgrading your ECU and tuning options can also help optimize your engine’s performance on e85. With the right fuel pump and tuning, you’ll be able to unlock the full potential of your engine on e85 and experience the power and excitement you crave.

Monitor Your Fuel Economy and Performance

By tracking your fuel economy and performance, you can easily see how much money you’re saving and feel proud of your environmentally-friendly choice to use E85.

Tracking the benefits and measuring the drawbacks of using E85 can be easily done by keeping a record of your fuel economy and performance. By doing so, you can determine if E85 is the right choice for you and your vehicle.

Real-time feedback and long-term analysis are both important aspects of monitoring your fuel economy and performance. Real-time feedback allows you to see how your vehicle is performing at any given moment, while long-term analysis helps you understand how your driving habits affect your fuel economy over time.

By using these tools, you can make informed decisions about when to fill up with E85 and how to adjust your driving habits to maximize your fuel efficiency.

Overall, monitoring your fuel economy and performance is essential for getting the most out of your E85 experience.

Be Aware of Potential Challenges and Risks

It’s important to know about potential challenges and risks when using E85 as a fuel source. One major factor to consider is the ethanol content in the fuel. While E85 typically contains 70-85% ethanol, regular gasoline only contains about 10% ethanol. This higher concentration of ethanol can cause damage to engines that aren’t designed to handle it. It can lead to corrosion of fuel lines, damage to fuel injectors, and reduced fuel efficiency.

Another factor to consider is storage considerations and availability. E85 isn’t as widely available as regular gasoline, and it may not be available at all gas stations. It’s important to plan ahead and know where you can find E85 fuel before you need it.

Additionally, because of its higher ethanol content, E85 has a shorter shelf life than regular gasoline. It can absorb moisture, which can lead to engine damage if the fuel is stored for too long. Make sure to store E85 in a cool, dry place and use it within a reasonable amount of time to avoid any potential issues.


In conclusion, running E85 requires more than just filling up your tank with the fuel. You need to understand how it works and determine if your vehicle is compatible. Modifying your fuel system can be expensive and may void your vehicle’s warranty.

It’s important to note that not all vehicles can run on E85, so it’s crucial to check with your manufacturer before making any modifications. However, if done correctly, running E85 can offer benefits such as increased horsepower and torque, as well as reduced emissions.

Monitoring your fuel economy and performance is also essential. Being aware of potential challenges and risks is necessary to avoid any issues.

Overall, running E85 requires careful consideration and research, but it can be a viable option for those looking for a more environmentally-friendly fuel source.