E85 is an alternative fuel that can be used in flex-fuel vehicles. It is a mix of 85% ethanol and 15% gasoline. In order to use E85 in your vehicle, you will need to have injectors that are compatible with the fuel.

The size of the injectors will depend on the engine size and type of vehicle you have. You will also need to make sure that your fuel system is able to handle the higher alcohol content of E85.

There’s a lot of confusion out there about what size injectors to run when using E85 fuel. The simple answer is that it depends on a few factors, including the displacement of your engine, the amount of boost you’re running, and the duty cycle of your injectors.

In general, you’ll want to use larger injectors with E85 than you would with gasoline. This is because E85 has a lower energy density than gasoline, so you need to inject more volume to get the same amount of power. The other factor to consider is your duty cycle. When using high-pressure direct injection (HPDI), it’s possible to exceed 100% duty cycle at high engine loads.

This means that your injectors are constantly maxed out and can’t flow any more fuel. In this case, you’ll need to use larger injectors or upgrade to a higher-pressure fuel system. To sum it up, there’s no definitive answer for what size injectors you should use with E85 fuel.

It depends on your specific application and how much power you’re trying to make. However, in general, you’ll want to use larger injectors than you would with gasoline.

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How Big Injectors Do I Need for E85?

If you’re looking to run E85 fuel in your car, you’ll need to make sure you have the right injectors for the job. E85 is a high-octane fuel that can provide some serious power gains, but it also requires more fuel to be injected into the engine than regular gasoline. That’s why you’ll need bigger injectors when running E85 – typically 50-100% larger than what you’d use for gasoline.

Of course, there are a few other things to consider when making the switch to E85. One is that your fuel system will need to be able to handle the increased volume of fuel being pumped through it. This means upgrading your fuel pump and perhaps your fuel lines as well.

You’ll also want to make sure your engine is tuned specifically for E85 – otherwise you could end up doing some serious damage to your motor. But if you’re willing to make the necessary upgrades and do your homework, running E85 can be a great way to get some extra power out of your car. Just make sure you know what you’re doing before making the switch!

Can Any Injectors Run E85?

In short, yes – any injectors can run E85. However, it’s worth noting that different types of injectors are better suited to different fuels. For example, direct injection (DI) injectors are designed to handle the high-pressure environment of DI engines and therefore tend to be more robust than port injection (PI) injectors.

This means that they’re less likely to be damaged by the corrosive nature of E85 fuel. It’s also worth mentioning that while any injector can technically run E85 fuel, not all engines are designed to do so. In order for an engine to safely run on E85 fuel, it must be specifically designed and built for that purpose – which most mass-produced engines are not.

Therefore, if you’re considering running E85 in your engine, it’s important to check with the manufacturer first to see if it’s compatible.

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Do I Need to Change Injectors for E85?

If you’re planning on running E85 fuel in your car, you’ll need to make sure that your injectors are compatible. Most standard injectors will not work with E85 fuel, as it is a much higher ethanol content than regular gasoline. You’ll need to purchase special injectors that are designed to work with this type of fuel.

In addition, you’ll also need to tune your engine to account for the different properties of E85. Without the proper tuning, your car may not run correctly on this fuel and could cause damage to your engine.

How Do You Determine What Size Fuel Injector to Use?

There are a few considerations that go into determining the size of the fuel injector to use. The first is the engine displacement. This will tell you how much fuel the engine can potentially consume in a given amount of time.

The second consideration is the horsepower rating of the engine. This will give you an idea of how much power the engine can produce and how much fuel it will need to do so. Finally, you’ll want to consider the type of driving you’ll be doing most often.

If you’re mostly going to be on the highway, you’ll need less fuel than if you’re constantly stop-and-go city driving. Once you have all of this information, you can start to look at different injector sizes and figure out which one will best suit your needs. In general, larger engines or those that make more power will require bigger injectors.

But there are other factors that can affect this as well, so it’s always best to consult with an expert before making a final decision.

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What Size Injectors for 1000Hp E85

When it comes to choosing the right size injectors for your 1000hp E85 build, there are a few things you need to take into account. The first is what pressure you will be running your fuel system at. For example, if you plan on running 50psi of boost, then you will need injectors that can flow more than 1000cc/min at that pressure.

The next thing to consider is how much power you want to make. If you are only looking to make around 700-800hp, then you can get away with using smaller injectors. But if you want to go all out and make 1000+hp, then you will need larger injectors.

The last thing to consider is what kind of tune you will be running. If you are planning on running a very aggressive tune with a lot of timing advances and high boost levels, then you will need larger injectors. But if you are just looking for a mild tune with less timing advance and lower boost levels, then smaller injectors will suffice.

So what size injectors should you use for your 1000hp E85 build? It really depends on the factors mentioned above. If everything else is equal, then going with larger injectors will give you more headroom and allow you to make more power without having to worry about running out of fuel.

However, if money is tight or space is an issue (larger injectors require bigger fuel lines), then smaller injectors can still get the job done – just not as efficiently or effectively as their larger counterparts.

Conclusion

If you’re looking to upgrade your injectors for use with E85 fuel, it’s important to know how to properly size them. Injector sizing is a complex topic, and there are many variables to consider. But in general, you’ll want to choose injectors that are capable of flowing about 50% more than your engine’s peak fuel needs.

So, for example, if your engine requires 500cc of fuel per minute at peak power, you’ll want injectors that can flow 750cc or more per minute. This will ensure that your engine always has enough fuel, even at high rpm and under heavy loads. There are other factors to consider when choosing injectors for E85 use, such as duty cycle and pressure drop.

But if you keep the above in mind, you’ll be on your way to choosing the right injectors for your application.

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