#10. The Low-Down on High Octane Gasoline. To put a ’95 4L60E into a ’96 car: The ’96 tailshaft housing and VSS must be installed on the ’95 4L60E before the trans can be bolted into the car. g. The fuel economy of your vehicle may also be affected. To put a ’95 4L60E into a ’94 car: No mechanical mods required. That also means fuel. And this is what most of our cars happily drink. You may just not a difference a little less cash in your wallet. The long answer, of course, is the same as my answer for most motorcycle. a 350 both are 4x4s. Generally, the premium petrol’s octane number stands at 91 or higher. 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. 8672 posts · Joined 2010. I can get 98 or 104 at Road America. Gasoline with 95 octane burns at a higher temperature than gasoline with 91 octane. 2. When you overload tire, you put your tire at risk of: Stressing the casing and construction, especially when combined with driving on hot summer roads; Tire failure and blowouts; The Rubber Association of Canada’s guidelines state new tires should never be downgraded in load rating from the tires placed on a vehicle by the car manufacturer. The main difference with premium is its octane rating — 91 or higher compared with 87 for regular octane. Yes, despite what you would think the Civic Si does NOT require premium. . Make sure you run that tank completely dry. Higher engine rpm is less likely to induce knock, so with a manual transmission one can keep the rpms a bit higher. 1-2k), don't floor the accelerator. Maybe in 2024 when it goes down to 10ppm thanks to Aust Govt Pty Ltd handout to the oil companies but until then, I’m sticking to 95. I have a 91 4x4 chevy 1500 step side with a 350ci. Put in 91 fuel instead of 95. No noticable difference from the solo 91 and solo 94. Can you put premium gas in your car? It's been proven that about $2. The tire load index lets you know the load carrying capacity of a tire. “Just. If you notice any difference in. Some countries even go further by providing E10 or E85 ethanol-based fuels, which are derived from sugarcane and are cheaper than 91. Also it needs longer to combust fully, hence the advanced ignition timing for 95 usage. Or put another way, an octane rating of 87 or higher can withstand the compression ratios used in most cars. If 93 AKI (98 RON) fuel is not readily available in your area, unleaded gasoline with an octane rating of 91 AKI (95 RON) may be used with no detriment to engine durability or drivability. Can all cars run on 91? Manufacturers design engines for a minimum octane rating. S) Don't let Mercedes know, they would probably try to cancel the remaining 1800 miles of warranty!. Although it might sound that the higher the octane level, the better it is for your vehicle, which might provide you additional benefits like reducing tailpipe emissions, improving fuel economy. 1. my question is what yr bodys will be a direct fit on my 96 frame. To add to this, this is also the reason why turbocharged cars require higher octane gas. 21 June 2022. Mixing fuels of two different octanes will result in a tank of fuel with an octane rating somewhere between the two fuels, depending on the amounts of each. Reply Like. The difference is noticeable. #2 · Jan 27, 2020. However, it’s not acceptable to put in a lower octane fuel than the minimum recommended by the manufacturer. The vehicle will perform better on 95. 265 = cross section width of tire in. It still picks up if I floor it. 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. If all my driving was mild on flat terrain. 893 posts · Joined 2015. Can you take a 91 gen2 engine and put into 95 gen 3 car? ofcourse you cant. Use 91 or better. What happens if you accidentally put 91 on a 95? This is particularly the case if your car is designed to run on premium unleaded 95 or 98 and you fill up with 91RON. that increase its octane value. The cute little 350 in the piggie will run on the 89,but with the 91 it's smoother and snaps right up when i nail it. With a simple twist of a few wrenches, you can either bolt a ’90s 4L60E behind a Gen I small-block, as we’re doing here, or you can run an older non-electronic trans behind a 21st Century LS engine. The higher octane gives. Some cars that are compatible with 5 per cent ethanol are not necessarily also compatible with E10, so caution must be taken when referring to the car's fuel requirements. 1990 Mercedes 560SEL with AMG parts modifications. Find local businesses, view maps and get driving directions in Google Maps. Runs great on this. 8672 posts · Joined 2010. Just like that, you may now scale up and down with confidence, knowing that 91 octanes will be right in front of you. It's (sometimes) better to have a couple different octane boosters mixed together, in other words, than to rely on just one. Drive spoke with Aleks Urosevic, an Expert Technologist at BP's Innovation. Premium unleaded is both 95 and 98. It’s important to look at both together because the speed rating depends on driving with the right load. The main difference with premium is its octane rating — 91 or higher compared with 87 for regular octane. However, driving at such speeds is extremely dangerous and should not be attempted. Your car takes premium gas, put premium gas in it. The difference of cost in a fill up of 87 or 91 is between $2-$6 in most vehicles. From what i know, it’s pretty terrible for your car to run 91 when you’re tuned for 93. Fill up with 91, then when it is half empty fill with the 85. Starting from a stop it made a terrible rattling noise with any more than about 1/3 throttle, but it cruised fine at 70 mph. Woah Tell me what it takes, woah, grab the duct tape, huh We not the same gang, woah, ho, I bang, bang, woah I'm with La Flame, gang, woah, we too insane on. The engine will eventually lose power, and the use of the wrong fuel could cause lasting damage to the engine and void your warranty. That said, I'd never put 87 in my car and I'm in the same. 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”. 5. One was mothballed and eventually scrapped as it suffered the dreaded timing chain rattle. If you have an older car that's designed for 87-octane gas and it knocks when you punch the pedal, try filling it with 89-octane fuel to see if the knock goes away. Octane explained. Table of Contents show. E85 is an alternative fuel. 2. I pulled the spark plugs and could tell the previous owner used cheap low grade gas. Really hard to find 93 or 94. 16. However, as it currently stands, we have a clear response until proven otherwise from Honda--the manual is correct and it states 87 octane or higher as recommended for both 2023 & 2024 CR-Vs. IMHO, a high top 159,. a. 799 and. If you open the fuel flap of your car and it says “unleaded petrol only” it means 91 octane fuel is okay to use. 2. Save Share. Lower profile sizes tend to have lower load ratings compared to higher profile ones. 799 and. Some say not to mix brands of fuel, but I wanted to test. Answered by CarsGuide. 7/6 speed takes 91 octane. The OE tire is rated 91H. This is not true for modern gasoline engines. Premium gas 90-93 is completely okay to put in a standard vehicle. What Happens If You Put Premium Gas In A Regular Car? The benefit of Premium fuel is that it allows the ECU time to optimize detonation. cut it by 30% and you should be able to make it to another pump. You may just not a difference a little less cash in your wallet. (New Mexico has 86, 88, 91 because of the high altitude) The dealer was right, in fact, the mileage noticeably increased once I had lowered the octane to 88. Some engines can benefit a bit from a higher octane number, but really only if you rev high and. That's why high-performance engines use premium fuel. The short answer is, “Use whatever the manufacturer of your engine recommends. This can cause engine damage and result in a loss of acceleration. Midgrade falls somewhere in the middle, often 89. Racing fuel typically has a higher octane rating. Therefore, 91 octane fuel remains stable to a point greater than that which can be achieved with 89 octane. Aug 31, 2015. 2 /. We would like to show you a description here but the site won’t allow us. And while it’s safe to use in a pinch on coated. And with 7,000-plus rpm capabilities and 390 lb. Flex-fuel. If you experience car trouble, pull as far left as possible and turn on your emergency flashers. Following a contretemps with a JCB which 'closed the door' when I attempted to overtake,forcing me off the road and. Its happy on 91 RON but I use 95 RON assuming that the fuel system cleaners help to keep it running smoothly. I only use 91 from top tier gas stations (Shell, Chevron, etc. Life time millage is at 23. They do so little to help the car that it borders on snake oil. So there’s a short answer and a long answer to the question asked in the title of this article. I-84 in . 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. Midgrade falls somewhere in the middle, often 89. However, you may notice a slight decrease in maximum engine performance while using 91 AKI (95 RON) fuel. if it is just you svt focus then a tank of 87 won't hurt it. with a 350 can I put it. (Low altitude equivalent to 87). Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. It does not need 95 or 98. )The '94-'95 Mustangs had a unique bellhousing to accommodate a5/8-inch longer input shaft in their T5 transmissions. The octane number is a measurement of the knock resistance of a fuel. Naturally then, the Ford hauls ass as effortlessly as it. All that will probably happen is you simply suffer a loss of power, or function regularity. Mercedes-Benz cars require premium gas, as do most luxury. If you have a stock engine and do mostly city driving, 91 octanes will be just fine. The handbook will clearly say that. Octane 95 gasoline is more flammable and lighter than 91 gasoline. i and n must both be in years or both in months. The code ’95W’ holds the key to understanding the tire’s load index and speed rating. However, I would avoid if possible. Some manufacturers will insert a “Z” in the middle of the tire size description (right after the aspect ratio) when the tire is rated at “W” or “Y. If you're going to run e85 and keep 93 as a backup just back the tune down for fuel feed. The OE tire for the Chevy Volt is the Michelin Energy Saver A/S passenger tire. “You’re still getting that fuel in there, you just don’t have so much pressure,” Kofford said. At a minimum, you should use premium 91-octane gasoline or higher. Our information shows this vehicle is designed to run on 91 octane fuel. VIDEO: How to Jump Start your Car. 14-06-2015, 10:58 PM. Human factor: you can almost certainly prevent damage to your car if you accidentally put shit fuel in a high end engine. Anything lower and you risk engine damage as a result of pre-ignition. VIDEO: How to Check & Fill Engine Oil. Combined with 91-octane fuel, this mixture can hold its own compared to 110-octane race gas. If the car is tuned to run 95/98 as well as 91 you’ll see better fuel economy out of the higher octanes offsetting the price. BMW recommends AKI 91. ”. So use the correct octane gas the next time you fill up. If you have a tire with a higher speed rating (such as V) then the sidewall will be stiffer. 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. Put whatever gas is recommended by the owner manual. If your car requires 95 or 98, E10 is not a viable fuel for it. The short answer is: You can use e10 or 91 in your car. uses 87, 89, 91. The main reason why Mercedes-Benz recommends premium gas is because its engines are designed to run on high-octane gasoline to produce more power and deliver better fuel economy. The engine can only compensate so much with knock sensors and fuel trims. Very few people need the 2500 but if you get a 159 wb you have no choice. All you have to do is add 1/4 of the bottle to reach a massive win of 91. To put a ’96 4L60E into a ’95 car: Easy. . There is an additive you can get that will raise the octane level if you accidentally put in 91 but I dont know it's name. Yes, you could do that. “Just. You could get knock, depending on how aggressive your timing is which could result in misfire, or even a blown engine. It will probably be fine once, just reduced power and MPG. **". Vectra C - Signum - Owners Club. s. High compression engines require higher octane. However both Shell and BP produce fuel at 102 RON for cars with hi-performance engines, and the supermarket chain Tesco began in 2006 to sell super unleaded petrol. “midgrade” is 89 octane and over 91. OP, The current price of unleaded in Sydney is 120. At low rpm (e. Is it modifed? V8 V6 turbo 4 ? If it can take e10 than chances are 91 is better. For example, if you use 95 or 98 in an engine designed for 91, that’s fine. If you can live with how it drives, and you dont hear pinging under heavy load/full throttle, dont worry about it. 91/e10/95/98 all fine. Your 91/95/98 in NZ is basically. Here’s the screenshots of the owner’s manuals as proof. Minimum fuel grade. then look at the fuel economy of cars in the class. Standard unleaded petrol is 91. 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. In most areas, the standard grades are 87, 89-90 and 91-94 AKI. No, 99% of turbo cars need premium fuel to perform as designed. Mixing 91 and 95 Load rating on the same axle. This definition can slightly vary by state in the US. then fill up 91 and reflash again. Which cars can use Ethanol E10?. Premium gasoline (91 to 93 octane) in my part of the world is still well north of $4. In the u. In fact many people choose to do that, as the more potent fuel theoretically burns more efficiently and may improve consumption generally. Premium unleaded gasoline is not required because it provides no benefit over regular gasoline in 2. As a rule of thumb: 95 premium can give around 4% lower fuel consumption than 91, assuming the engine computer adjusts to take advantage of the octane difference. The key difference between 91 and 95 octane fuel is that 95 octane fuel can withstand a high compression before.