Can I put E85 in my Subaru WRX?
Can I put E85 in my Subaru WRX?
E85 has a typical octane rating of around 100-110. At minimum to run E85 you will need upgraded fuel injectors, upgraded fuel pump, and tune on the EJ engine 2002-2014 WRX, 04-current STI, 05-12 LGT/OBXT, and 04-13 FXT. On the FA engine (2015+ WRX) you will need an upgraded in-tank fuel pump and a tune.
Can you run E85 in a Subaru?
E85 is an ethanol based fuel that is supposed to be 85% ethanol and 15% gasoline. The reason you can’t just fill your EJ Powered WRX or STI up and go is because E85 requires about 30 to 35% more fuel than regular gasoline to run right….How to Switch Your EJ Powered Subaru WRX to E85.
| Injector Size | Gas Horsepower | Horsepower |
|---|---|---|
| 1000cc | 650 | 500 |
| 2000cc | 1300 | 1000 |
What is FlexFuel WRX STI?
Description. The Flex Fuel Package includes both the Ethanol Sensor Kit as well as the Fuel Pressure Sensor Kit. Utilizing COBB Custom Features along with this package, both Fuel Pressure and Ethanol Content values are able to be sent to the ECU and monitored via custom Accessport Monitors.
Do you need a tune for FlexFuel kit?
– No, you only need one tune for our FlexFuel package. Our tunes are designed to determine the proper engine parameters based on the ethanol content of the fuel.
How much horsepower can E85 add?
Faster Burning. E85 fuel has a faster ignition time and flame propagation when compared to gasoline. This leads to higher cylinder pressure, as well as increased engine torque and power, gaining up to 20%.
Is E85 or 91 better?
E85 has an octane rating higher than that of regular gasoline’s typical rating of 87, or premium gasoline’s 91-93. This allows it to be used in higher-compression engines, which tend to produce more power per unit of displacement than their gasoline counterparts.
Is converting to E85 worth it?
E85 can be perfect for the high horsepower or high compression build, as long as it is readily available in your area. Because of E85s increased resistance to detonation, it allows for more power without the cost of expensive race fuels. Even at low power levels, E85 can also be a much safer fuel than normal pump gas.
Does Subaru WRX need premium gas?
Performance Subaru models – the WRX, WRX STI and BRZ – have a premium fuel requirement, but even with those vehicles, check your manual for information on which fuels are appropriate. In a gasoline-powered internal combustion engine, fuel mixes with air and is heated by compression inside the combustion chamber.
What do I need for E85 STi?
Injectors, pump, and tune are all you need to go E85. If you want the ability to have “FlexFuel”, you’ll need an ethanol sensor. Cobb’s kit will allow this, however, it’s pretty pricey for what you get. Need to tune your STi?
What is in E85 fuel?
E85 (or flex fuel) is a term that refers to high-level ethanol-gasoline blends containing 51% to 83% ethanol, depending on geography and season (see Fuel Properties and E85 Flex Fuel Specification).
How much HP gain from E85?
E85 fuel has a faster ignition time and flame propagation when compared to gasoline. This leads to higher cylinder pressure, as well as increased engine torque and power, gaining up to 20%.
Is E85 better than 93?
Why can’t I just fill up my WRX or STI with E85?
The reason you can’t just fill your EJ Powered WRX or STI up and go is because E85 requires about 30 to 35% more fuel than regular gasoline to run right. E85 was intended to reduce the consumption of fossil fuels, but due to its much higher octane and oxygenating ability,…
What kind of fuel does a Subaru WRX use?
Subaru WRX / WRX STI First of all, what is E85 and why does it require a “switch” to run on your WRX or STI? E85 is an ethanol based fuel that is supposed to be 85% ethanol and 15% gasoline.
Is this E85 kit worth it?
If you’re looking for an E85 kit to boost power but you don’t want to fully convert, this is the kit. I’d recommend it to anyone. The unit works great: I fill up solely using E85 fuel now and have not had any problems. There’s no need for intensive tuning or anything like that, just fill up and go.
What is E85 flex fuel made from?
In the United States, ethanol is primarly made from corn. When you fill up your vehicle with E85 Flex Fuel, you’re supporting the American farmer and reducing your carbon footprint. E85 is easier to find than ever before – most people in the United States live less than 5 miles from a filling station that sells it.