A: Again, the difference is in the speed rating. but I usually put 91 in it. What happens if I put 91 instead of 95? If 91 is used in cars requiring higher octane fuel, you run the risk of pre-igniting or “knocking”. All 2001-2005 Honda Civics, including the Civic Si’s, use 86 octane or higher. The octane number is a measurement of the knock resistance of a fuel. In the process, the more highly tuned engine is a little more efficient, meaning it can make a little more power on the same volume of fuel. An '62 Olds 394 ( 6,5 L) ; it was a second car and was going to the junk yard because of rust , so I commuted over 10. " Snow Performance's water-meth systems include a controller, a tank, a high-pressure pump, and a nozzle. No, 99% of turbo cars need premium fuel to perform as designed. Regular 91 unleaded is 91 per cent octane and premium 95 unleaded is 95 per cent octane, for example. As an example, for a tyre with the markings 205/55/R16/ 91V, 205 denotes the width of the tyre in millimetres, 55 denotes the tyre’s aspect ratio, which is the sidewall’s height given as a percentage of the. Types of Petrol in New Zealand: Understanding 91-, 95- and 98-octane Ratings. Yet most people are scared to do it and some tuners are scared to put that much in the tunes. This can cause engine damage and result in a loss of acceleration. The seller included the car’s original unmolested 5. 91 is the highest octane. And while it’s safe to use in a pinch on coated. Racing fuel typically has a higher octane rating. I was reading somewhere if you blended 91 unleaded with 89 leaded you get something in the 95 range. Drive spoke with Aleks Urosevic, an Expert Technologist at BP's Innovation. Springfield, MA. You could put 1000 octane fuel (if such a thing existed) in a vehicle designed for 91 and it would be fine, as long as there was no lead in it. Yes. The best type of gas to put in your vehicle is whatever octane level your car’s owner’s manual specifies. 91 has more sulfur than than 95 or 98. But if they require premium, then pumping unleaded might cause issues. The types of gasoline we can use rely on the vehicle’s engine. For example, if you use 95 or 98 in an engine designed for 91, that’s fine. 91/e10/95/98 all fine. For plenty of petrol cars, this minimum rating is 91 RON, but increasingly, modern cars require a minimum of 95-octane fuel, particularly if they feature a turbocharged engine. 91 – Recommended RON / “Control” 95 – Gets best $/km out of any fuel, noticably more perky than 91 98 – Marginally better economy than 95, costs more obviously, noticably more perky than 91 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. From local news and events to. Our information shows this vehicle is designed to run on 91 octane fuel. In fact many people choose to do that, as the more potent fuel theoretically burns more efficiently and may improve consumption generally. I run 3 gallons of 105 F&L unleaded racing gas and this gets me close to 94 octane as I am burning this with the crap 91. With the increasing gas price, people are wondering if they can put regular gas in their Mercedes. Simply put, high-octane gasoline can be compressed and heated to a greater degree without self-igniting. 50 regular coffee than $4. And with 7,000-plus rpm capabilities and 390 lb. The RACQ’s spokesperson said E10 has a 3% lower energy content than 91, so you may find that you. It is composed of 85% ethanol and 15% gasoline. An engine is tuned to use petrol of a certain octane, and the higher the octane number, the more compression the fuel can withstand before detonating. It does not need 95 or 98. It's only the other way, if your car requires 98 and you fill it up with 91, you lose power and get engine knock. I do, however, run non-ethanol gas in all my dirt bikes, lawn mowers, log splitters, etc. r/BritishColumbia is dedicated to all things related to the Canadian province of British Columbia, situated on the stunning West Coast. Putting a higher octane, such as 93, is not necessary but it might slightly increase the power output of the engine. If you can live with how it drives, and you dont hear pinging under heavy load/full throttle, dont worry about it. ok what are you smoking. 91 is also the ideal petrol for those who use 4-stroke mowers. Can you put premium gas in your car? It's been proven that about $2. That's what your car is tuned to use, anything more is wasted, with little to no benefit. The higher the octane, the more aromatics. In the Rocky Mountain (high elevation) states, 85 AKI (90 RON) is the minimum octane, and 91 AKI (95 RON) is the maximum octane available in fuel. The higher octane gives premium gas greater resistance to early fuel ignition, which can. 50 per tank extra for the 95. Our information shows this vehicle is designed to run on 91 octane fuel. Mercedes-Benz cars require premium gas, as do most luxury. Different types of petrol can be identified by a numbering system (91, 94, 95, 98, 105 etc), which is the octane rating of the fuel. That's why high-performance engines use premium fuel. 5. Octane is a measure of petrol’s resistance to igniting prematurely in the engine’s combustion chamber when the car is accelerating. If it is a pull out motor try both. Premium petrol is a fuel with a higher octane number than regular petrol. E85 is an alternative fuel. It is a close split for the remaining drivers between midgrade (87) and premium (91). To put a ’95 4L60E into a ’94 car: No mechanical mods required. The computer and harness from the 98 up TPI engine should be used and the radiator should be upgraded also. Cost Savings Through Better Chemistry. For example, a tankful that’s three parts 90 octane and one part 110 octane would yield approximately a 95 octane mix. . 00 Starbucks cafe latte AND put the savings by letting your beloved truck. 3 and a 1. Like. What is there to do on I-91? Find affordable car insurance with Jerry; Load full table of contents. The long answer, of course, is the same as my answer for most motorcycle. “Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the manufacturer judges that the best performance, economy and even reliability can be achieved by using 95. S) Don't let Mercedes know, they would probably try to cancel the remaining 1800 miles of warranty!. I put 91 anyway because my car deserves organic, gluten-free. If you put 95 in a car that should run on 98 octane, this will not lead to mechanical failures, or breakdowns. Ik some n52’s came tuned for 87 but mine say explicitly 91 so 🤷🏼♂️. This also explains why a car that can run on 91 and 98, usually has better response, power and economy when it is consuming 98, because the fuel burns for longer, due to the higher resistance to ignite, it increases the force delivered during the power stroke. Now on the opposite side, if you had a tune for 91 and used 87, that would be very bad for the plugs, which is due to a lean condition. 14-06-2015, 10:58 PM. Putting a lower octane fuel in your car is a no-no (see above), but fear not, as it won’t instantaneously kill your car. And if a tire is rated in excess of 186 mph (300 kph), manufacturer’s usually will list a “Z. Contrary to popular belief, pumping a higher fuel number into. Imagine my surprise then after reading a NY Times article that it just might be that I’ve been wasting my money for a very long time. But you'll probably feel the torque loss a lot more (somewhere in the range of 20-30 ft-lbs). I use 87 octane the 89 octane around here has mixture of 10% ethanol and 90% gasoline. It. The vehicle *may* use more of a lower octane fuel than it would of a higher octane fuel. It won’t hurt your engine if you use a higher octane fuel. In the US, regular gas has an octane level of 87 and premium gas an octane level of 91-93. v4lu3s. So, unless you have an older vehicle with a carbureted engine, you should use the manufacturer-recommended fuel for your vehicle, even where 85 octane fuel is available. Contrary to. In the our '04 Prius, I use 86. The Great Chevy Auto Trans Interchange Guide. I put 5 gals 87 octane + 10 gals 93 octane for a mix of 91 octane. If so, keep using 89-octane to regain some power and save your engine. The minimum octane rating for both is 91. Car experts say there is no risk of damage to a standard car using premium fuel. when starting at high outside temperatures. Which cars can use Ethanol E10?. Millage could be a couple MGPs better but I have a roof rack and I'm sure that's affecting it a tiny bit. Which cars can use Ethanol E10?. 88% ethanol. It’s perfectly safe to mix them in the same tank or fill up with. Premium gasoline typically has an octane number four to six points higher than regular – 93 versus 87 for example. vweater1369. Regular 87 fuel burns slower than Premium 91 fuel, which will burn hotter and create more combustion. Anyone putting 91 in a car that requires 87 is wasting money. It is okay to mix fuels (except for diesel) in your car as long as the octane rating is not less than the recommended fuel you should use. In fact, the picture you posted says that your car works best with 91 octane, even though 87 octane is enough. You will notice a little more get up and go with the car via improved throttle response as the car will feel a little sharper. In fact, this is what many gas stations do in order to offer their mid-grade product. A lower ron fuel in an engine will cause knocking. Golf GTI models: The use of premium fuel with 91 octane ( (R + M) / 2 Method) / RON 95) is recommended to achieve rated horsepower and torque **. 100 LL (Blue) and 100 (Green) are both approved for use on the 172. In the u. Simply put, if you mix 5 gallons of 91 octane pump gas with 5 gallons of E85, you get 10 gallons of a 96-octane fuel that’s very close to E50, or 50-percent ethanol and 50-percent gasoline. Can I put 95 octane in my car? Here’s the thing: you can put a higher octane fuel in a car than the manufacturer’s requirement. E85 pumps are clearly labeled at gas stations and typically have yellow nozzles. Hooker Blackheart. Why using 91+ Octane Fuel is Good for your BMW. Tires with a 91W speed rating can travel at speeds up to 168 mph (270 km/h) under ideal conditions. 16. Someone advised me unless the fuel cover says 95 or E10, then 91 (no ethanol) is the minimum that can be used. 2) You are pushing extra timing to reap the benefits of E85 so it would be very dangerous to run just 93 on a E85 tune. Typically your car will display symptoms such as ‘pinking’ (a noise from the engine), exhaust smoke and a loss of power. [56] The reason for this is that in higher-elevation areas, a typical. 19 posts · Joined 2008. Whilst they may have different brand names, the grades are all based on their octane rating: 91, 95 and 98. I put 91 in my '12 Justa, personally. 13k miles later still goodThese numbers are called the ‘octane-rating’, and are an indication of how well the fuel resists burning too early inside the car’s engine. If you experience car trouble, pull as far left as possible and turn on your emergency flashers. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty. The same size 215/55/16 also comes in the XL version and this. and having owned two cars with feedback carburetors, I can put the odds of that at roughly 60/40. Yes, despite what you would think the Civic Si does NOT require premium. He says that if a typical car using an unleaded fuel uses nine litres of fuel per 100 kilometres then the same car using E10 would use about 9. The 2. Simply put, it is vital you use the fuel recommended by your car manufacturer. E85 has a typical octane rating of around 100-110. Premium fuel is not recommended or needed. I only use 91 from top tier gas stations (Shell, Chevron, etc. 91 RON is the minimum if you can put a better- stronger petrol 95,98 or 100. Regular gas typically has 87 octanes, while premium gas is usually 91 or higher. But if you look in your owner’s manual, you. Next, remove the four 9/32" screws securing the speaker, pull it out, disconnect the harness, install your new speakers, and button it all up. For example, H is between U and V, with the common perception that H stood for “high performance” at one time. The reason you feel more "power" with 91 vs 87 is because the car needs to pull more timing to avoid detonation on 87 octane. Put simply, the only difference between these two fuels is their Research Octane Number, with the higher-octane 95 unleaded designed to be more fuel efficient and lead to a smoother engine operation. In the old days, engines could not. 6L or smaller, it’s unlikely that you’ll feel the difference between 93 and 95, while a 1. The answer is yes and no if you need to put 91 octane petrol in your 95 octane vehicle. I use 87 octane the 89 octane around here has mixture of 10% ethanol and 90% gasoline. September 17, 2023 06:12. In parts Europe you can occasionally find 100 octane but not UK. OP, you'll be fine but 85 octane at elevation is absolutely not the same as 87 at sea level. E10 contains approximately 3% less energy than unleaded RON 91 petrol. 4L and 3. The TCC. All the cars can run on 95 types of petrol but not all of them can run on 91 in Saudi Arabia. By AA Expert1049 Posts|31 December 2012 at 9:45am. . 1998-2001 (Second generation) Fuel Recommended: Nissan recommends unleaded fuel with at least 87 Octane. The Low-Down on High Octane Gasoline. Both can carry the same load of up to 615 kg (or 1356 lbs). Is this a satisfactory substitute for 95 RON, or could I combine it with the occasional 95 or 98? Will a lower than recommended octane rating do any harm to the engine, reduce efficiency, or. Last edited:. Regular fuel typically has an 87 octane rating, mid-grade fuel typically falls between 88-90, and premium fuel is typically rated at 91-94 octane. 12)+ (98*0. The ACCC said the average price difference between E10 and 91 was just 0. Gasoline with 95 octane burns at a higher temperature than gasoline with 91 octane. r/MINI. VIDEO: How to Check & Fill Engine Oil. With the exception of performance vehicles, all other Subaru models are designed to run on 87 octane. And this is what most of our cars happily drink. with a 350 can I put it. a 350 both are 4x4s. r. Of course, the 91 octane level is the minimum fuel type that should be put into the vehicle. However, a car built for Regular fuel doesn’t generate enough pressure or heat for early ignition to be an issue. I couldn't feel the difference when I put 91. ”. The key difference between 91 and 95 octane fuel is that 95 octane fuel can withstand a high compression before. I had to add 13% more fuel with the e85 blend to achieve the same afr I had when running straight pump gas. Remember you are pushing about 1/3 extra fuel to make E85 work. The fuel economy of your vehicle may also be affected. Personally, I knew going into it that the Sport/Sport Touring recommended Premium, so that's what I put in it. First, if you have only put a small amount of premium gas in your car, try diluting it with regular unleaded gasoline. Transmission swaps. Like. In the White Mountains of northern New Hampshire. That means, according to. Car companies recommend fuels of a higher-octane rating (RON, or Research Octane Number) for cars that are designed to perform – to accelerate to 100km/h from a standing start in six seconds or less. that is 95. A woman who consistently put the wrong grade petrol in her car, causing serious engine damage, has lost a bid to make the dealer take the car back. But 88 octane is completely different than E88, i. 95 premium unleaded, E10 and standard 91 unleaded have a lower knock resistance. I only ever put regular on mine one time by accident during a road trip because the buttons were flipped lol. Whether or not that is useful depends on your vehicle’s engine and its requirements for fuel.