For example, if you have a car that takes 91, then mixing with 95 is fine, but not the other way round. Diesel cars can only take diesel. The final letter is the speed rating. Your car while running 98 is not suddenly more powerful, it's not I'd suggest your excited right foot is simply pressing harder – and therefore your fuel. The manual recommends 95 ulp. The ‘E’ in E10 refers to ethanol, with E5 having up to 5% ethanol mixed with at least 95% fossil-fuel-based petrol, and E10 having up to 10% ethanol mixed with at least 90% traditional petrol. This myth is a bit tricky, but we can still bust it. On a car tuned for 98, going to 95 MIGHT produce a perceivable difference dropping 2-3 degrees timing, but a factory tune for 95 isn't going to have a spark map to take advantage of 98. Wants to save $0. Banned reference: whrl. 85 km/hour. Thats PREMIUM ULP dear OP i. e ULP 95 and or 98 or a mix of the two. So, for example, if you use 95 or 98 in an engine designed for 91, that's OK. Many times you’d pump 95, thinking. The one thing that will put most people. I put a 98+ vulcan motor in my 97 that had a vulcan in it. We all know that thanks to the actions of some digger operator who couldn't read the words on a warning sign. Rather than speculating, what model car is it? If it's an AMG, M Series, or Quattro (Audi Sport) then you'd be better served with the 98. So, if in doubt check the booklet that came with the car. Since filling up with 98 the car hasn't felt as quick, but I just put that down to me getting used to the power. May 17, 2020 172 101 53. I put. Higher compression ratios can be used when burning under pressure with the help of an eon rating. Just use 91, the engine was designed for that fuel. 46km per litre (see table). My son goes further to say BP is the best, followed by Caltex (non woolworths though). Can you mix 91 and 95 petrol? 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. There was one time when empty I filled up half E10 and half 98 RON. Obviously the car knew and decided to keep my boost under 6psi (goes up to 14~15 then drops and holds at 6PSI). Its up to you, you wont harm the car using 95 ron it will look after its self but don't think it will restore any timing that it has pulled as soon as you put 98 in the tank. Generally a vehicle can run on either 91 or 95 octane. the LAST SLK i had made no difference bewteen 95 and 97/98. #3 · May 13, 2014. By Blackpug January 12, 2014 in VW Golf R MK7 Chat. However most car are designed and optimized to run on fuel ron92-98. Higher octane fuels will only be of benefit if your engine is pinging on the current octane, or your ECU can make use of higher octane fuels than specified (99% can't). 16 Nov 2021 Click to see full answer93 is fine, sometimes an ECU can detect better resistance to knock in the fuel and might advance the ignition timing a little bit more, on a turbocharged car this might result in a little bit more horsepower, but it does vary car to car. So you can mix 95 with 98 but not with 91. If any foreign material gets on the belt (like oil) it could cause it to squeal. On the S3 I believe you can actually feel the difference between 95 and 98/99 RON fuels. RON 95 is equivalent to 87 octane in the U. Forums. I have a 2007 Astra H sri Turbo. swap the '95-96 harness into the car ALONG WITH the PWM solenoid connected but leave the solenoid in the pan, 3. You either put 91 in your econo daily driver or put 98 in a car you like. $1. Watch on. I do alot of highway kms (90%) so and average over 5000km each type of fuel is negligible to say the least. Although the manufacturer did not recommend E10, they only recommend premium 95/98, I tried E10 on this car for a while now and it has no problem whatsoever. But long term use of ULP 91 may cause engine damage According to Fuel Express, you can put regular gas in your car or truck even if the manufacturer recommends premium. Hi Guys, Recently I filled up my car with Shell V Power 95. fuel performance difference. It ultimately depends how harshly its been tuned, I suspect it will probably knock its tits off on 95 and you will do a piston. 95 is standard, nothing lower. Diesel fuel has not changed. Fester999 Active Member. The difference between each fuel type is their ‘octane rating’, or the numbers that identify them, such as 91, 95 or 98. Regular or Premium. All cars sold in the UK will run on regular 95 RON petrol. A. If the belt isn't cracked, (which can be viewed by looking at the ribbed side) I would suggest some belt condtioner. If your car is hard tuned to a particular tank of "98" fuel, that could be 98. On normal 95 octane fuel, the 45 ran a little noisier and 'slightly lumpy'. If any foreign material gets on the belt (like oil) it could cause it to squeal. The exhaust system collects waste gases from the cylinder ports and routes them to the back of the vehicle away from passengers while reducing the toxicity of combustion by-products and making engine noise quieter and more pleasant. What happens if I put the wrong fuel in my car? The computer systems on a modern vehicle are pre-programmed to expect the minimum-octane fuel stipulated by. Which should the mk3 be run on as i put 98 in tonight Fuel flap states 95 min? See less See more 1 Mk3 2. Or mapped for 98/99 and. I've put 98 in my mine a fair bit because sometimes 95 isn't available, and when I do put a full tank in, I notice it takes a bit. User 849165. The only reason is that premium brands such as Shell, BP and Esso still sell 98E5. All 2001-2005 Honda Civics, including the Civic Si’s, use 86 octane or higher. For example, if a tire has a load index of 92, it can support 1,389 pounds at maximum air pressure. . 91 octane will almost certainly cause it to ping. A car marked as e10 compatible can take 98, maybe 95's the minimum recommended on that one 🤷♂️ On a side note mine's supposed to run on 98 and geez there's a difference between 91 and 98. I like to use 98 every 3rd or 4th fill when I can get it. But with some petrol stations currently advertising a 17-cent gap between E10 and 95 RON — you'd see a huge cost benefit if you went for E10. Is there any harm in mixing fuel like that? No, you'll end up with an octane rating somewhere between the two fuels depending on how much of each you used. There really isn’t a clear answer to this. It's probably not worth the extra cash, but my commuter bike does about three more miles to every gallon on 98, rather than 95. Generally, your choices boil down to 91, 95, 98 and e10. But because manufacturers optimise their engine tuning for a specific RON, it’s important to fill your car with the right one. It's real expensive, with my b16a2, due to it's compression ,98 is the recommended juice. The answer is yes and no if you need to put 91 octane petrol in your 95 octane vehicle. Using 91 in an engine designed for 95 or 98 is potentially destructive. The load index is marked on each individual tyre’s sidewall as part of the series of letters and numbers that denote its statistics. Search used cars. 98 will run longer milage than 95? Archive View Return to standard view. The difference between 95 and 98 should be quite noticeable and, as others have said, it simply doesn't make any sense to buy a performance car like an AMG and not run it on the best fuel you can get your. Diesel. Yes 95 and 98 gave better economy – but not. Using 91 in an engine designed for 95 or 98 is potentially destructive. User #332674 2006 posts. posted 2020-Apr-5, 8:51 am AESTI got 429km for a tank of 98. For example, if you use 95 or 98 in an engine designed for 91, that’s fine. 2001 Quattro 180 in black. Even then you'll notice more in fuel economy than power. It is a code that carries a tire’s load index and speed rating information. 'Why not put the best in?' This has been my motto. I did extensive comparisons (2-3 fills in a row) in my 2006 (car with knock sensor, CVVT) with my car where I did the same commute day after day. One important factor to consider is the sidewall strength. 4 94 = 98. g. Do the people buying the more expensive octane. On the flipside, putting 95 or 98 RON into a car rated for 91 does basically nothing. j_davis_1980 said: LS3's compression rating does not mandate 95/98. (95 or 98 RON) bowsers on the forecourt. Re: Tyres: The importance of Load Index. Most countries use RON, however, USA uses AKI or (R+M)/2. Higher octane fuels don't contain more energy. You car designed for 91 will spark before it gets there. The second time I filled my turbo ute up I put 95 in by mistake as I didn't realise at the time there were 2 types of Premium fuel. 60. It also depends on where you get your fuel, BP’s 98 is their “ultimate” fuel which has an additive in it that cleans your tank. If you use 91 in an engine designed for 95 or 98, it could be destructive. To put a ’95 4L60E into a ’96 car: The ’96 tailshaft. “Most cars can run on 91,” says Gisella. If your car is rated for 91, use 91 95, 98 or 100 is just a waste of money. Run your car on at least 2 or even 3 or 4 tankfuls of each RON fuel, record the distance the car travels on each tankful and compare the results. Think I'll be sticking with the 98 stuff just for the cleaning properties. 40). This is particularly important for petrol engines. I haven't put 91 in yet so no idea how that would go but if 98 returns 0. They told me the engine was designed to run on higher octane fuels. 0 litre cars before LS3), they state. All my bikes/scooters get run on 98. On the 95 octane blend, the same car on the same day travelled 256km, or nine kilometres more, for an average economy of 5. Archive View Return to standard view. What fuel type should you put in your car: 91, 95 or 98? Pull up to a petrol pump and you are immediately presented with three fuel octane ratings: 91, 95 and 98. The problem with E10 is it contains less energy than petrol, so E10 burns quicker than premium unleaded (95 and 98 octane). BP super which I think is 97 ron. Liquified Petroleum. You can go higher than the minimum but not lower. Potato chip connoisseur. In fact I’ve heard it can be detrimental for your engine if you use a higher octane that your cars not designed for as the difference in combustion can cause timing issues with the valves and other engine components, leading to engine knocking. Then it doesn't help with ethanol free, E15, and E85 having their own ratings as well but can cause the ECM to have to adjust more. The 01 just has a much better computer. Z Diesel is well suited to be used in private vehicles as well as commercial fleets and for marine. Don’t use a fuel that’s lower in octane than the manufacturer’s minimum. If you mix 95 and 98 petrol, it will go into a “spark” and start creating sparks. Higher octane fuels don't contain more energy. Here’s how it plays in practice: People like TVinmyEye, earlier - and you should never watch TV - TV will rot your brain and suck out your soul, leaving you a withered husk. I just put potatoes into mine, runs great. And tuning it on 98 will of course feel better than untuned on anything. In older cars, putting a lower octane gas in the tank might cause knocking and pinging and will result in reduced performance. 1. The trans will bolt in, but you'll need to add a wire to the the wiring harness for the TCC apply solenoid and then reprogram the PCM to '95 base code to make TCC lockup work. They’re all about the same in terms of the energy in the fuel. What’s the difference between 91 and 95? The 4% change in the octane levels is what makes the difference between the two fuels different. Or, if it’s only half a tank or less, just fill up with a slightly higher octane. I worked at a BP subsidiary for a while and Ultimate 98 is the only one of their fuels that they guarantee to come out of the pump at the advertised octane. Standard fuel is often 95 RON, while super is often between 97 and 99 RON. You might see some small performance gains, but it’s probably placebo after spending more money on fuel. My understanding is that you can go higher, but if the. It really depends on the car, I have had a couple of kjet 240s and one needed 95 + to not ping likened and one ran great with. If the manual is not available, it is best to refer to the car manufacturer's recommendations. That doesn't necessarily mean it would do any harm, but compared to their 95 and 98 it was crap, and longer term, keeping your entire fuel system clean is such good, simple prevention. For most car owners, 95 RON is perfectly adequate; your engines will have been optimised to make the most of it and if you use 98 RON, you’re unlikely to. Speaking with News24, Sasol’s senior mechanical engineer Adrian Velaers said that many motorists believe that 95 petrol has more “energy” than 93 petrol, but that is not the case. And yes, I run 98. The RAC says drivers who put the E10 fuel in an unsuitable car risk damaging its fuel system components. Open the fuel door. Leave a container of coffee beans in your car. Can I put 98 octane in my motorcycle? Most modern motorcycles recommend a minimum of 95 or 98 RON. If your not sure of the fuel, don't use it. The octane ratings of petrol available elsewhere may differ. Can E10 cause misfire? Drivers are still reporting issues with their cars after using E10 petrol. Can I use E10 instead 95? But E10 is not a substitute for premium unleaded petrol. It’s at best a minor difference. Was just asking, as my volvo didnt require it. Higher octane fuels don't contain more energy. However 91 to 98 RON is about ~10c difference but I don't really want to put 91 in my car anyway as BMW/MINI recommend 95. The current price of unleaded in Sydney is 120. GorGasm. However, it's not acceptable to put in a lower octane fuel than the minimum recommended by the manufacturer. Discuss problems you have had or are having with your Z4. I just filled up my car with the 99 octane premium tesco fuel today for the first time and, unless I am imagining things (or it's the placebo effect), but I think the engine works much more smooth and generally feels much happier and more alive. Octane 95 gasoline is more flammable and lighter than 91 gasoline. Today, 95 gasoline enjoys the same quality standards as 98 octane. If it doesn't need it, don't use it. just put additives in it. You are currently viewing our boards as a guest which gives you limited access to view most discussions and inserts advertising. All that will probably happen is you simply suffer a loss of power, or function regularity. * It won’t hurt your engine if you use a higher octane fuel. I just put plain 97/98 Super in the SL. For many classic cars, ordinary Euro 95 is more than sufficient. You should fill up with whatever octane your car specifies. Using 91 in an engine designed for 95 or 98 is potentially destructive. When i'm home in Brisbane i run 95, down south 98 or 100 whatever i can find, and when up north it's 91. This Z95 unleaded fuel is designed to have superior engine cleaning capabilities so the engine can perform at their best. In Auto mode the gears sound sluggish and longer. All that will probably happen is you simply suffer a loss of power, or function. As long as the belt its self isn't damaged, It. Some of my bikes can run 91 so they usually get 91 or 95 depending on what's available, the others require 95 so they get 95 or 98. I tried to avoid 95 but 95 was totally fine. For 2001-2005 Honda Civics, including the 2002-2003 Honda Civic Si, Honda’s pretty clear. Unlike petrol, using ethanol in a vehicle that is not compatible will cause major damage to the fuel system and possibly the engine. Sign in with Facebook. 95 gasoline is lighter in weight than 93 gasoline. DO NOT INHALE. Clicking this will. I always put 98 in my car. Read More. It should say near your gas cap what is supported. A car that takes 95, can only mix with fuels that are higher like 98. if it says 95 "recommended" then 91 is fine to use when ever, if it says 95 or 98 is "required" then using 91 could immediately brick your engine unless you use some little bottles of octane booster each time you fill up. 95 isn't better than 91. News. Euro cars.