Such cars will have high compression ratios and can knock without premium gas. Is there that big of a difference between the two? Cracking, isomerization and other processes can be used to increase the octane rating of gasoline to about 90. There’s a gas station by the Orlando airport charging $4.50 per gallon, or more than double what regular 87 octane costs in Florida, probably because it’s close to the rental-car return. No. 105 octane straight E50 if that's what it is in winter, which the remainder is 87 gas anyways so it works no mixing. Keep in mind that your octane level will be the octane number of the gas you're buying plus the amount the octane booster ups your level. Most octane boosters only raise octane 20 points (that's 2 on the octane scale). No shit, that’s all. Toluene will take 93 octane gas and make it 94 or 95 up to 98 depending on how much you use (can be up to 20% of the total mixture). I realized in my travels (and I am extremely well traveled), that pretty much every other country in the world has one grade of Gas vs. America and some parts of Europe and even the rest of … But, the researchers surmised that if the U.S. were to adopt a new standard, making 93 … Fuel with a higher octane rating can stand up to higher compression before it detonates. Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time. I did & I liked it a lot. 97.3 octane with 87 E80 tested mixing which is everywhere and cheap. I can tell you its rather pointless and a waste of money, sure u rajse oct a little.but going to grab a.gallon of e85 everytime u get gas is a waste of gas. Thereof, does Shell premium fuel have ethanol? My wife says it … 99.9 octane with 93 E80 tested mixing $1 extra per gallon. There are additives that will do it more cheaply, such as xylene (the primary octane booster in normal gas). * Desired Octane: Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time. When motorists see premium 91-octane gas at the pump, they may assume it contains higher energy content compared to regular 87-octane gas. I use do it when i had a maxed setup on a small 16g back in the day. Check the yellow stickers at gasoline pump that shows the octane rating. No. In the Midwest, where an extensive customer base of good old boys in pickup trucks consume vast quantities of 87 octane, demand for premium fuel is low enough to make genuine high-octane premium. This is a map showing locations of 93 octane gas stations in the United States for cars that require premium 93 octane gasoline. But remember – if your engine needs an unleaded fuel, you don’t want to mix leaded with unleaded. Therefore, if you're buying 93 gas and you add a booster that increases it by 3, your level will be 96. Since my local Sam's Club sells 93 Octane for the same price or lower than 87 at gas stations in my neighborhood I have been putting 93 in my 2017 2WD V6 Canyon the past few months. There are fewer downshifts but … With the 87 Octane gas in the tank the engine computer scales back and the car only averages 20 mpg. The higher the octane number, the longer it takes to burn off thus the safer it is and the more you can advance the spark making more power. Toluene works, try it, you'll see. The high-octane gas also helped when soft-pedaling the accelerator, elevating 75-mph fuel economy from 17.0 to 17.6 mpg. For the cost, its vastly more expensive than just filling up with 93 to start with though. Try this octane calculator to reach your desired octane. Tetraethyl lead, Pb(C2H5)4, was one such agent, which was added to gas at the rate of up to 2.4 grams per gallon of gasoline. Current octane ratings typically range from 87 (regular) to 93 (premium). After all, “high-octane” is often synonymous with increased power and performance. At best 93 octane gas is about .30 (or 15%) more than regular gas. Yes, you can mix any of our race fuels. Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. does 93 octane gas contain ethanol? Driving on the 93 Octane yields 25 mpg so the driver is able to pass 250 miles for $35.00 dollars and the cost per mile will $0.14. You'll be down on power for a tank, but its no biggie. Gonna go on a limb and say that the manual is going to say "dont add octane boosters". Me, being the skeptic started thinking about Gasoline blends around the world. Nearly every gas station in America will have some form of range from 87 to 93. Premium gas doesn't provide any more power or contain better additives than regular gas, and it contains the same amount of ethanol as other grades. Once you've got the booster in the tank, all you need to do is add the regular gas on top of it. Keep in mind that these engines will never use diesel fuel, and this should be avoided as it can seriously damage your engine and its performance metrics. This is especially so if you just made a "booboo" and chose 91 instead of 93 when filling up. Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. If you aren’t pinging, knocking, or pre detonating, and you put more expensive gas in, you’re wasting money. 93 Octane: Also considered ‘ultra’ or ‘super-premium,’ this gas has the highest octane level and should only be used if denoted. To put it in perspective, racing fuel uses 100 octane, and gas in Third World countries can dip below 85. gas station image by Mat Hayward from Fotolia.com Premium, also known as 93 octane gasoline, is the most expensive gasoline at the pump. If you make 93-octane premium instead, you use up less of the high-octane stocks, allowing you to make a higher proportion of premium fuel. What is the octane when I mix them? As a result I have noticed increased driveability. Premium gasoline does and does not give more horsepower, depending on the type of automotive engine it is used in. You can mix Race Gas anywhere there’s a gas pump and it’s catalytic converter safe. The octane rating of premium and regular fuel varies from state to state. This limits the amount of 95-octane gas you can make. Unfortunately, my Costco offers only 87- and 93-octane gas. So I drive a car that requires 93 min. This means that — in conjunction with the EcoBoost ECU’s ability to make automatic adjustments according to the octane rating of the fuel the engine is using — the stock baseline number of 345 hp and 420 lb-ft would’ve been slightly lower with 87 octane in the mix. How do you know how much of each to use? Most states do not mandate certain standard gasoline grade octane ratings.In the United States and Canada, octane ratings are in AKI, commonly shown as "(R+M)/2".All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas … You can run 1-2 gallons of e85 to a full tank of pump gas, you can't use half and half without a tune. In the old days, running 87 octane in a car that required premium fuel would cause the engine to start knocking before the car even left the gas station, but things are different today. If you don't tune your car to make more power on 93, you will not notice a difference putting 93 in a car meant for … And 90 is way the fuck more than fine. However, the ST will run fine on even 87 octane as long as you don't drive it hard. I'm running 2 Gallons of Toluene 7oz of ATF and 17.5 gals of 93 oct gas for a net octane of 95.15. So every time I fill up, I buy a half-tank of each octane rating, figuring that it will average out to 90 octane. The ONLY thing increased octane does is make fuel harder to burn. So a 91 goes to 93 with a bottle of booster. After pouring Race Gas in, simply shake the container to make sure it mixes completely. As the Title says, car likes 93, i can only get 91 here. Octane. The 91-octane gas should, they think, provide improved fuel economy and power. (Mobile) Running higher-octane fuel can allow you to use higher compression, more aggressive timing or greater boost pressures, all of which will make more power. The answer to #1 is easy. Anti-knock agents may be added to further increase the octane rating. The answer to #2 requires a little math. I wouldn't expect that much difference in power gains from 91 to 93 octane though. What would you guys do just pump the 93 mix to make the best power at 99.9 octane for the E50 pro tune? I like to use premium gas but prefer it to be 93 but find myself in unfamiliar places unable to locate any 93 octane-it’s almost always 91 and I know it probably doesn’t absolutely make a huge difference but I’m kind of a stickler and I just want to use the best gas I can (sue me). But without changing any of these parameters, an engine that runs perfectly well on 87-octane fuel won't even notice if you pour a gallon of 133-octane race fuel into the tank. The owner's manual does recommend 93 octane for towing. I'm next going to try 3 Gallons of Toluene (96.23 Octane) to see what timing numbers I get. Its even legal for race classes that require 'pump gas' because toluene is a component in gasoline. For this demonstration, Pat adds 3 ounces per gallon to 87 octane pump gas which will bring it up to 93 octane. If gas mileage is 15% or more higher with 93 octane it would make sense to use it. All gasoline brands have both pure and ethanol-containing gasoline under the same brand names.For example, Shell V-Power ranges from 91 to 93 octane both with and without added ethanol.It just varies from station to station, and it's up to the station owner whether or not to sell pure gas. A full tank of 93 Octane will cost $35.00 while a tank of 87 Octane will cost $31.00. If you wonder about these dudes putting in 100 octane, Google placebo effect. There are three octane grades available regular (87 Octanes), mid-grade (89 Octanes) and premium (91 or 93 Octanes). Fuel with a higher octane rating can stand up to higher compression before it detonates. Has anyone tried comparing fuel economy of premium vs. regular? Octane Calculator Sometimes it is necessary to mix two different fuels to obtain the correct octane to maximize the performance of your race engine. It just resists detonation (knock) better than lower-octane gas—nothing more, nothing less. However, a premium blend of gas (93 octane) was still present in the tank. Doing so would make a leaded fuel which could still damage oxygen sensors and catalytic converters. I'm too cheap to buy the premium gas, but I don't want to hurt my car by using the cheap stuff.
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