That means it can achieve the power of high-quality racing fuels for a fraction of the price. E85 is not corrosive like methanol and does not leave carbon deposits like gas so maintenance is reduced across the board. As the impending consequences of global-warming loom around the corner, the United States government passed a mandate to require increasing amounts of ethanol in gasoline. Making it a great cost-effective option for racers and casual speed demons alike. I think that the power is going to be VERY similar, e85 likely getting a negligible edge, while being substantially cheaper. By Danny@Prodigy | 2020-11-04T09:40:43-05:00 Nov 4, 2020 | 0 Comments. Would ethanol free gas improve performance and gas mileage? E85 … The octane being the resistance to pre-detinaton or spontaneous combustion. These are Restricted 4412 Holley 500cfm engines. Its latent evaporation heat is higher than that of the pump gas. We hear that boosted engines love E85, so we decided to put it to the test on the SuperFlow dyno at Westech Performance against some 114-octane race gas. E85 is a fuel that is made of 85 % ethanol, and 15% gasoline. Ethanol fuel may give you more power, but it has a lot of extra quirks you need to consider. For less than the price of pump gas, E85 allows you to run race gas levels of boost for maximum performance. Is it worth the additional cost and effort over simply tuning an engine for optimum performance? Street vs. Race E85 Tim Wusz: All E85 fuels are not created equal, and as such, the quality can vary dramatically from one E85 blend to the next. E85 also called Flex Fuel is the ethanol available at certain gas stations and it is (up to) 85% ethanol. E85 has a few issues you need to take into account before using it. E85 can be perfect for the high horsepower or high compression build, as long as it is readily available in your area. Mike goes on to explain. What is E85 vs E90 vs E70? Fuel Economy and Performance. E85 vs Gas For Performance. Still there is … If you compare the performance of gasoline and E85, the latter undoubtedly produces more power. In fact, in cold weather E85 gets blended down to E70 as the gasoline content is increased for cold weather starting and driveability. E85 fuels are hygroscopic. With the proper tune-up your oil stays looking like new. It also means that depending on how long the gas stays in your tank or the humidity level of your geographic area, you can experience poor performance and even problems with fuel injectors. 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).It can be used in flexible fuel vehicles (FFVs), which are available from domestic and foreign automakers. We used our Wissota Street Stock Stage 2 and 3 engines for testing. With the right tuning, it is possible to make nearly 100w HP difference on E85. Some areas might not even have E85 available, leaving you disappointed and out of fuel. In this E85 ethanol fuel test we look at the advantages of using E85 in your musclecar and demonstrate that this fuel is cheaper than 87 octane and can make the same power as race gas - … Just burn E85 ethanol fuel. You mix e85 and gasoline in specific ratios to get your target E30 ratio. Kyle Brixey’s Trailblazer SS is no stranger to boost. The impact to fuel economy varies depending on the energy difference in the blend used. Basically, E85 is cheap race gas. In some country’s, E85 is a more popular gas than regular gasoline. Ethanol doesn’t produce as much energy when burned vs gasoline without ethanol. E85. For example, E85 that contains 83% ethanol content has about 27% less energy per gallon than gasoline (the impact to fuel economy lessens as ethanol … But if you have the injector capacity, computer programming and boost potential to run E85, then you're already getting terrible gas mileage and you might as well use pure ethanol. I would really love to see a head to head comparison of e85 vs MS109 on an FI car. E85 is the designation for an ethanol-blended fuel where ethanol makes up 85-percent of the content, and gasoline 15-percent. What Are the Downsides? Want to add power to Ford's all-new 5.0-liter V-8 for the 2011 F-150 without making a single hardware or software change? And because its distilled it burns colder thus allowing more advance in timing = "mo fun" For gas i get that 11AFR at Wot is utilized to keep heat down. This fuel has certain advantageous attributes that make it a popular fuel for performance and racing. So, the verdict is: E85 is bad for fuel economy, worth a few horsepower on a naturally aspirated engine and worth a lot more on a turbo engine. While E85 is great for the environment, performance enthusiasts quickly found out it’s also great for producing power. E98, E85, VS. Race Gas. While it has been around for quite some time, it is just now starting to take hold in the US. For this reason, a number of companies have introduced E85 and E90 racing fuels that are blended to exact specifications. E85 has an increased resistance to detonation compared to other fuels. David Freiburger and Steve Dulcich at Engine Masters wanted to find out which makes more power and by how much.So they grabbed a 489-cubic-inch, 13.5:1 compression big block Chevy, teamed up with our partners at Summit Racing for a couple of key parts, and started playing.. To ensure a level playing field, they used Rockett Brand’s 114-octane race gas … As you may have noticed, the disadvantages of E85 are quite minimal, but before racing to the nearest gas station that offers E85, you have to make sure your car is set up for this type of fuel. Even at low power levels, E85 can also be a much safer fuel than normal pump gas. Well, you realistically have two choices if you don’t want to run race gas: E85 or water/meth injection. View Larger Image; We have been hearing about E85 ethanol, or flex fuel, for the better part of a decade now. What this means is in the winter time, you could actually be getting 75% ethanol and 25% gasoline or even less! Gas in the U.S. contains roughly 10% ethanol, and 90% gasoline; in other words, … Home / Posts / Uncategorized / E85 Ethanol vs. 93 Octane Gasoline. On a short 20 lap race I can add three gallons or about 21 pounds without any real weight penalty. Before making the swap over to E85 some things to consider are that due to E85 burning over 30% richer than a traditional fuel the fuel economy is going to be reduced. Since its 85% ethanol Vs 10% ethanol (Gas) And proportionally the octane in gas is 91-93 Vs E85 being 100. Tuning E85 Vehicles Steps to properly convert a car to ethanol. E85 may be cheaper than regular gasoline or E10, but the lower energy content means you might come out paying more for less in the long run, anyway. max out: e85 vs c85 SO YOU’VE ALREADY MADE the conversion from pump gas to E85 on your forced induction car and you love it. A gallon of ethanol contains less energy than a gallon of gasoline, resulting in lower fuel economy when operating your vehicle. So where does the advantage come from? Why does E85 contain 15% gasoline? If you own a high-performance vehicle, then E85 fuel is an excellent option, assuming it is available in your community. E85 from a pump is many dollars a gallon cheaper than buying race gas by the drum. Depending on the climate you are in, E85 typically contains a blend of 85% ethanol and 15% gasoline. For an owner or tuner that has never tuned an E85 vehicle it can be a frustrating experience. BAMA Performance does offers E85 tunes for the 2011-2020 Mustang GT, but depending on the year and mods done to the Mustang it may require some fuel system up grades. Most E85 pumps state that the ratio varies seasonly. E85 is also cheaper by the gallon than traditional pump gas by about a dollar and only a quarter of the price of other high-octane racing fuels. Its performance is comparable to race gas at a fraction of the cost. (Yet requiring nearly 40% more fuel volume) In my area e85 is like $4.11/gal, a 5 gallon pail of MS109 is $20/gal after taxes. “If you have a nine-second bracket car, the enhanced cooling effect of E85 can knock off a half a tenth to a full tenth of a second in comparison to gasoline,” said Benoit. Racing E85 vs Pump E85. Pump E85 is commonly used as a “poor man’s” racing fuel, but the percentage of ethanol in pump E85 can vary quite a bit depending on the time of year and the blend provided by the distributor. Because passenger cars will not start well in cold climates on 100% Ethanol. Here are the results. Background of E85. With the aforementioned octane rating of 110-116, E85’s superior knock resistance allows running a much higher compression ratio, further increasing performance. As you can probably guess, that would impact your vehicle's performance. That translates into a short storage and tank life because its prone to absorb moisture from the air. Understanding why E85 makes better power than pump gas is important. In some ways, it even duplicates what a methanol injection can provide do cooldown the air-fuel charge. Currently NASCAR uses a race gasoline mixed with 15-percent ethanol, and the Indycar Series racers that initially switched from methanol to E98 subsequently converted to E85 in 2012. The E85 you get from the pump is 85% ethanol and 15% regular gasoline, or at least it should be. E85 refers to an 85% ethanol to 15% gasoline mix; most ethanol fuels are corn-based, and as such, E85 is considered to be a renewable fuel. I run an E30 tune and when my empty light comes on I fill with at least 3gallons e85 and the rest of the tank (~7gallobs) with premium gasoline. E85 Ethanol vs. 93 Octane Gasoline. Q: What is E85? Because of E85s increased resistance to detonation, it allows for more power without the cost of expensive race fuels. E85 is a fuel that is starting to be sold more and more at stations across the country. Gasoline or E85 ethanol-blended fuel? Your engine will run cooler and your ETs will be less affected by atmospheric changes. E85 gas (also known as flex fuel) is a high-level combination of ethanol and gasoline that consists of 51 percent to 83 percent ethanol blended with gasoline. While you can get gasoline from just about any gas station, E85 requires some searching around. On a short 20 lap race I can add three gallons or about 21 pounds without any real weight penalty. Since the advent of E85 in the early 2000s, people have been using it as go-fast juice due to its intrinsic knock resistance and cooling properties. Contributed by: enginebasics.com. “There is more to gain with a stock, naturally-aspirated car by adding and tuning for E85 fuel than just tuning a stock, naturally-aspirated car on pump gas,” he said. ) 85 % ethanol been hearing about E85 ethanol, and gasoline in ratios... And E90 racing fuels that are blended to exact specifications really love to a! 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