The mid-grade is mixed at the pump from the two other tanks - usually a 50/50 mix. The octane rating of gasoline determines how likely it is for engine combustion to occur at the wrong time. The minimum AKI Rating is: 323i,328i/xDrive: 87 335i/xDrive: 89. If you're forced to choose, take the higher octane to prevent knocking. Chevron Supreme 5W-30. but have to get higher octane of 91-92 for that. Home. Find the closest service station. In short, buy ethanol-free gas if you can, and buy gas with sufficient octane that your car doesn't knock. Chevron and Texaco fuels use Techron, which not only helps lower emissions, but also is the leading additive in helping keep critical engine parts clean. 05-26-2015, 07:40 PM . They advertise higher octane as "supreme" as if it is somehow better gasoline. . But if the car doesn't knock, go with the ethanol-free gas. Use our Chevron app or plan a trip online. All Mercedes-Benz gasoline cars require Premium Unleaded Gas. 93 if you have access and can afford it. gasoline is used with too low of an octane rating than is required by an engine, then engine knock may result. Additionally, customers can use the Chevron with Techron Station Finder app to locate stations and stay up to date with promotions. That means regular for cars using regular, or 87 octane; and premium for cars using premium, meaning 91 or 93 octane. Two states in the Union, Missouri and Montana, have specific exemption to allow ethanol-free premium gasoline. AAA has studied Top Tier gasoline extensively and determined that detergent additives really do make a difference. Cards & Gift Cards. The motor method, runs the gasoline . Regular or Premium. Chevron supreme will offer the same performance as any other fuel of octane rating 91. This has not effect on the engine life. The higher the octane level, the less likely the combustion will occur at any time other than when it was designed to occur. But remember that many standard fuels on the forecourt now contain up to 10% ethanol, so you need to do your research and find one . Use fuel with the octane rating that your vehicle manufacture recommends. Techron helps to minimize the harmful combustion chamber deposits that can lead to knocking. The octane rating of pure ethanol is 100, but when it's blended with gasoline, it performs as if it's 112. Gas stations in the United States generally offer three octane grades: regular (usually 87 octane), mid-grade (usually 89 octane), and premium (usually . PetroPoints. ()Tree of life!! The American Petroleum Institute sets forth a number of laboratory and engine tests required to meet an API SN performance specification. The gas for all gas stations come from the same refineries, so there is ni difference when it comes to the quality of the gas. Although laboratory tests alone cannot be used to establish if an engine oil meets API SN, they can be used to determine if it doesn't. What follows is a comparison of the test results . We're . Crude oil is refined into dozens of products and sold to middlemen. Chevron's three premium brands - Chevron, Texaco and Caltex. If they offered 93 in Phoenix, i'd buy it. midgrade, or supreme fuel types, and some stations even offer ethanol diesel. An octane rating, or octane number, is a standard measure of a fuel's ability to withstand compression in an internal combustion engine without detonating.The higher the octane number, the more compression the fuel can withstand before detonating. Top Tier gasoline must contain more deposit-fighting detergents, it also must be sold at all of a fuel marketer's stations and across all grades of its gasoline, from 87-octane regular to top-of . Find Cheap Gas By Brand Shell Costco BP Mobil Speedway Ace S. Los Angeles, CA. Specific Gravity. The unbeatable cleaning power of Techron is in every grade. Standard Low-Ethanol Fuels. Really doesn't matter where it comes from or which truck transports it or what is painted on that truck. resources2. The US 92 allowed my tuner to run more aggressive timing than the CAD 94 tune. But don't worry, Shell reportedly plans to spend $50 million to promote its new super premium gasoline beginning this month. It's an average of two octane ratings using the same test equipment but using different operating conditions. So when it comes to regular gas vs premium, 91-93 octane gas provides improved performance and fuel economy in vehicles designed to run on premium gasoline. Ethanol is also corrosive and burns really hot, which can cause overheating and irreparable damage. Older cars with carburetors could operate with lower octane fuel at higher elevations. The octane number is actually the simple average of two different octane rating methodsmotor octane rating (MOR) and research octane rating (RON)that differ primarily in the specifics of the operating conditions. Gasoline that vaporizes easily allows a cold engine to start quickly and warm up smoothly. Not on having direct experience comparing gas brands and octane ratings. To put it simply, Supreme Unleaded has a higher-octane rating that normal fuel, which has been proven to make the engine work more efficiently, thus improving the performance of your car, and Supreme Diesel has a . When using a 32-ounce bottle with 5 gallons . Warm-weather gasoline is blended to vaporize less easily to prevent engine vapor lock and other hot fuel handling problems and to control evaporative Chevron with Techron mileage claim. Lower Carbon Fuels. To help you compare, here are the Shell fuel grades and Octane ratings: Shell Regular - 85 Shell Plus - 88 Shell V-Power Nitro+ Premium Gasoline - 91 That's a difference of 30c, which means you will spend roughly $3.60 more per tank. $2.94/gallon for Costco's Premium. Don't know yet, since I'm still running on the dealer's tank of gas but I'll probably opt for Here's why: The Shell V-Power Nitro+ Premium formulation contains a combination of two cleaning agents that perform better than the single component in the previous Shell V-Power formulation, and the company says . 100mlEoil-raven100 Chevron Supreme - 91 All Chevron gasoline uses Techron, an additive that improves acceleration, maximizes mileage, minimizes emissions, and protects engine parts from carbon buildup. I'm tuned on both CAD chevron 94 and US 92. So if you found a refueling station that has 93 octane that isn't listed, please share it with me, and I'll share it with the world. Mobile Apps. Also, what kind of gas does Chevron have? Get a 93 Octane Gas Station on the Map. VLI is calculated using vapor pressure in kPa and distillation profile percent evaporated at 70C (158F), as follows: VLI = 10(VP) + 7(E70) VLI varies with the season. by F-BIRD'88 Sat Nov 24, 2012 4:50 am. The WRX prefers the additives in Shell 91 gas over others, based on . Back to. The octane ratings of Synergy gasoline The normal range is 800 to 1,250. Chevron offers three card programs that each let you earn 3 back per gallon every time you fill up at a Chevron or Texaco gas station among other benefits. When this spontaneous ignition occurs, it is referred to as knocking. Similarly, it is asked, does premium gas have ethanol in Canada? How is octane rating determined? Octane Differential . These were all research octane numbers, not the lower motor octane. In other words, higher-octane blends Petro Canada's 94 and Esso's 93 use . ()Tree of life!! Yup, I agree. Texaco. Wear results obtained using ASTM D6079 comparing Shell V-Power NiTRO+ with lowest additive concentration (LAC) gasoline. It is true some companies add more detergent additives than others but the EPA specifies a minimum level of intake valve detergent which they think is sufficient to keep your engine running well and not polluting. Yes, all of our grades of gas, including our Ultra 94 high octane fuel, contain up to 10% ethanol content. Costco's 93 is cheaper than the other station's 91. To meet BC's Renewable Fuel Standard, Chevron gasolines may contain up to 10% ethanol. Back to. As the subregular and middle grades of gas came to market in 1962, the average octanes of gasolines in the U.S. now stood at 93 for regular, 99 for premium and 102 for the few super-premiums still left on the market. At a minimum, you should use premium 91 octane gasoline or higher. Driveability Index These numbers could vary from place to place and even season as the mixes were semi-tailored to local conditions. Chevron and Texaco fuels use Techron, which not only helps lower emissions, but also is the leading additive in helping keep critical engine parts clean. Retail gasoline stations in the United States sell three main grades of . OCTANE RATING: Select Octane Rating 87 (Research Octane Number 91) or higher. - unless I want to mix 91 and 100 every fill up. See if your gas station is on the list! Shell 91, (or V-Power 93) . Hello, This is an appropriately coined term, as it literally sounds like a knocking noise when this happens. Shell, Exxon, Chevron all getting the same gasoline, except for the additives. That means you will spend $187/year more on gas. At a minimum, you should use premium 91 octane gasoline or higher. Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. 98 reviews. Back to. 172 friends. Chevron Cars. Octane rating is a measure of a fuel's ability to resist 'knock.' The octane requirement of an engine varies with compression ratio, geometrical and mechanical considerations, and operating conditions. The only benefit I noticed when I switched from Shell V-Power to Chevron was with my Boxster. I worked for Standard Oil in the late '60s/early 70s and IIRC Chevron (regular) was 93, Chevron Supreme was 99, and Chevron Custom Supreme (white pump) was 105. Right now in Phoenix 87 - $2.29/g & 91 - $2.59/g. The methods produce a Research Octane number (RON) and a Motor Octane Number (MON). texaco supreme fuel is available to buy with the Texaco fastfuels card. Heavy and prolonged knocking or pinging may cause power loss and may damage the engine. Sometimes, even 93 octane gas is not sufficient for a high comperssion engine that does not have the advantage of the constant adjustments that are made by todays onboard computers. But I can't find all gas stations that serve 93 octane gasoline on my own. What gas in Canada has no ethanol? Joe is the pump gas sold in California restricted to a advertised "91 minimum octane (R+M/2)" {could be higher octane, but sold as 91 octane, by law} or is it restricted that your pump gas cannot be higher than 91 octane (tested R+M/2) Our best pump gas is 94 octane . Also, what kind of gas does Chevron have? PLUS A good pick for higher-performance cars. Just stick to Chevron, presumably they're better gas. 100mlEoil-raven100 Engines in the range of 10.5-11.5:1 compression (or even higher) will almost certainly rattle with gas of an octane rating of 91-less. This octane booster will significantly raise the octane of premium fuel (91 octane) to 102 octane, when using a 32-ounce bottle with 10 gallons of gas. Research Octane. Chevron. This is where the octane rating of gasoline is important, as the gas and air mixture can spontaneously ignite due to compression before being ignited by the spark plug. Buy quality "Top Tier" fuel and you will get better mileage and save on repairs. My 650 Burgman HATES ethanol, says in the manual it can handle E10 and recommends 87 for the octane but the fuel economy goes down and it runs hot and other poor performance things on any ethanol blend, including Chevron 92 that is E10, the . And on this subject the techs also told me when they switch from Shell it is to run a tank of Chevron for the Techron benefit. Two common octane ratings are 87 and 91. Post. Caltex. Octane rating of 91 recommended for cars where the manufacturer recommends use of premium grade gasoline. Motor Octane (R+M2=) Octane. Back to. Those numbers would increase only slightly in the next few years to around 94 octane for regular, and 100 for premium by 1967. . Most fuel is E10 these days, I can get E0 here in B.C. There is a difference between states on whether premium gas specifically has ethanol in it or not. "Top Tier" gas is available from branded stations like Chevron, Shell, Texaco, Exxon, or Mobil. You can also find our equivalent SuperClean 94 at 215 locations in Quebec. ESPAOL. So if you live in one of those two states, you can be thankful. These refined products . Fuel with a higher octane rating can stand up to higher compression before it detonates. Find the nearest Chevron gas station, ExtraMile convenience stores, diesel fuel & car wash locations. Back to. Octane ratings are a measure of fuel stability. The group said Top Tier gasoline kept engines "remarkably cleaner" than lower-quality fuels. Chevron is among the many Top Tier licensed retail brands. REGULAR A solid choice for most gasoline-powered passenger cars and trucks. Pure gasoline is much more energy dense than ethanol (which is why we get worse mileage on the blends, even when our cars are set up to handle them just fine, the energy isn't there). Which makes them seem better relative to the others. Simply stated, premium gas has a higher octane level than regular gasoline. Gasoline with an octane rating of 85 is available in . The website says Techron's effectiveness has been tested by the company's team of chemists and . Collect 10 PetroPoints per litre of fuel. If you use gasoline with this minimum AKI Rating, the engine may produce knocking sounds when starting at high outside temperatures. So pay attention if you are on a cross-country road-trip or crossing state lines. In a nutshell, buy the gasoline your owner's manual calls for. Shell V-Power NiTRO+ provides our best protection against wear and tear in your engine. . This saves th. It's best to use ethanol-free gas in small engines. The premium octane is usually going to sit at around 91, while the regular gasoline is right around 85 to 87. Gasoline is subjected to two testing methods to establish its octane rating. US 92 is far superior than our 94. Octane rating of 91 recommended for cars where the manufacturer recommends use of premium grade gasoline. Featured Promos . The higher an octane number, the more stable the fuel. Re: Pump gas- specific gravity. Answer (1 of 18): A gas station that sells three grades of fuel - regular, mid-grade and premium - only have two underground gas tanks. Instead, a higher octane allows for more aggressive driving and a more aggressive engine. The octane rating is a measure of a fuel's ability to avoid knock. fuels and stations. When it comes to gas, you can choose between a lower octane gas or opt for a higher octane rating. . Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time. It is only that some are more efficient in cleaning the fuel system compared to others. There are no benefits to using premium gas unless your vehicles manufacturer requires that you use . Techron.com says in big, bold letters: "IT'S PROVEN. Our gas choices include our RegularClean 87 octane gas, our mid-level PlusClean 89 octane gas and our SuperClean 91 octane gas. Back to. Octane rating is the measure of a fuel's ability to resist "knocking" or "pinging" during combustion, caused by the air/fuel mixture detonating prematurely in the engine. If you bought Chevron Premium Gasoline in the last few days and have a question about the fuel, call the company at 855-285-9595, or email them at cccweb@chevron.com. Chevron claims gasoline with Techron can boost your miles per gallon. The Techron in the Chevron gasoline was the reason. Chevron and mobil have better detergents. Quality Fuels . The octane rating of pure ethanol is 100, but when it's blended with gasoline, it performs as if it's 112. . These were all research octane numbers, not the lower motor octane. Two common octane ratings are 87 and 91. Avoid using low octane gas such as: Regular Unleaded Octane 87. I didn't realize this until I saw that the Premium octane number is different than the gas station around here. I worked for Standard Oil in the late '60s/early 70s and IIRC Chevron (regular) was 93, Chevron Supreme was 99, and Chevron Custom Supreme (white pump) was 105. And also, Costco's comes from the cheapest suppliers but meets the minimum standards. Knock occurs when fuel is prematurely ignited in the engine's cylinder, which degrades efficiency and can be damaging to the engine. The Size is 30cm square and they can be hung inside or outside and each is pre-drilled so ready to hang and also look very nice framed. Chevron 94 octane lets me run timing similar to what others using Cali 91 gas run. 93 doesn't even exist in CA, so I don't have a choice. Avoid using low octane gas such as: Regular Unleaded Octane 87. Every gasoline, every time Pick the gasoline that's right for your car. This is primarily because fuels contain an oxygenate that prevents knock by adding oxygen to the . A minimum 82 octane fuel is recommended for most vehicles produced since 1984. Click to see full answer. (It goes on to say that the 6cyl (1MZ-FE) engine runs on 87 but that for improved vehicle performance 91 or higher is recommended.) Refineries, to my knowledge, don't actually produce all of those different grades. it offers great coverage with over 3300 sites nationwide. One has regular fuel in it and the other has premium fuel in it. The main difference between 87 and 91 octane gas is just the additive that they add to it. While it's hardly news compared to rolling blackouts, Californians are now dealing with another energy crisis: In August, the octane rating of premium gasoline in the state quietly dropped from 92. Or, more correctly, whether it's required to have it in it. To avoid fuel injector clogging, every gas contains detergents and no refinery has superior detergent than the other. When Costco is selling its gasoline for so much less than the competition, it's natural to be skeptical and wonder if the quality is equal to brand-name gasoline such as Exxon, Shell, and Chevron.. The octane number written on the gas pump is Anti-Knock Index (AKI). and that's if you are on dead empty. Gas stations have pumps that blend the two grades together to . The previously obtainable higher grade V-Power Racing which contained 5% ethanol to boost V-Power's octane rating to 100 RON has now been phased . While high-octane fuel is preferred for classics, they can run perfectly well on lower octane petrol, especially if the ignition is adjusted to counteract the change in combustion rate. In terms of actual energy produced, including improved MPG, there is actually no real difference between unleaded and premium. For winter weather, gasoline blenders formulate gasoline to vaporize easily. A drop in the bucket for more performance in my book. The wear results on the left demonstrate protection with Shell V-Power NiTRO+, the one on the right by a lower quality premium gasoline. Find93.com is completely reliant on user submissions. Alcohol has only about 60 percent of the energy of gasoline, but it has a much higher octane rating.The oil companies don't help matters either. Octane rating does not relate directly to the power output or the energy content of the fuel per unit mass or volume, but simply indicates gasoline . On occasion, this occurrence will likely . Does Chevron 91 contain ethanol? Correct, and as far as I know, there is no street legal 110 octane fuel, but e85 is perfectly legal. I know exactly what the "octane rating" entails. Chevron Supreme Plus, 94 octane is ETHANOL FREE and available at all Chevron locations in British Columbia. The higher the octane number, the greater the fuel's resistance to knocking or pinging during combustion. Lower values provide greater protection against vapor lock and hot fuel handling problems. Answer (1 of 8): Gas is a commodity. The general consensus is at a minimum, get top-tier 91. If you do decide to use ethanol, don't use a fuel that is more than 10% ethanol (E10), and be sure to add fuel treatment to prevent the fuel from separating. This mistimed explosion is known as . 87 octane gasoline is 87 octane gasoline is 87 octane gasoline. It isn't. It may be better or it may be worse, and the octane rating alone won't tell you which it is. This is the go to 93 octane finder! Add alcohol to it. Yes, fuel matters. There are no benefits to using premium gas unless your vehicles manufacturer requires that you use . Fuel Brand. After a tank of Chevron Supreme the engine had perked up some. Knock is virtually unknown to modern drivers. Plus Midgrade Unleaded Octane 89. In the U.S., unleaded gasoline typically has octane ratings of 87 (regular), 88-90 (midgrade), and 91-94 (premium). One state may require a minimum octane rating of 92 to be considered premium, while another may only require 90. Using a lower octane fuel than required for your vehicle may damage the engine and emissions control system over time. The US 92 octane is superior to our chevron 94 octane. The CHEVRON SUPREME - HIGH OCTANE IS BACK is a Vintage Metal Sign, die cut Distressed Tin, purposely produced with flaws to give an authentic retro look. Hagerty protects all kinds of collector cars, trucks, and modified vehicles. These numbers could vary from place to place and even season as the mixes were semi-tailored to local conditions. No gas gets better mileage than Chevron with Techron or Texaco with Techron.". Plus, it's an environmentally . be vaporized before it can burn. Regular or Premium. Regardless of legality fuel with an octane rating of less than 82 is generally not offered for sale in most states. All Mercedes-Benz gasoline cars require Premium Unleaded Gas. You can get our 94 octane premium gas at over 700 locations in Alberta and Ontario. YouTube. We designed our premium gas, SuperClean 91, for vehicles that need a high octane gas for maximum performance. Plus Midgrade Unleaded Octane 89.