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Q: Does high octane fuel increase engine power?
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Can you make octane fuel with rubbing alcohol?

No. Isopropopal alcohol will dry any water out of the fuel system by scattering the h2o molecules, but it will not increase the octane rating, or power of the engine. Too much will lower the combustability


Will HHO generator increase the octane of fuel?

Yes and No. Hydrogen only has a octane rating of 50, but the properties of Hydrogen let one run higher compression on your engine which in turn will give more power.


Which is better 87 octane or 93 octane non ethenol gas?

There is no better. If your car is designed to run on 87 octane then using 93 octane is a total waste of money. The higher octane will provide no more power, no better fuel economy, and is of no benefit to the engine whatsoever. In fact using a high octane fuel in an engine designed for 87 octane may actually cause hard starting. Use exactly the octane as recommended by the manufacturer of the vehicle. Saying that, if your car is designed to run on 93 octane then using 87 octane can be detrimental to the engine due to pre-detonation that will be caused by running the lower octane fuel. It depends on whether the manufacturer recommends the use of higher octane fuel or says it is mandatory. Most vehicles built in the last few years where 93 octane is recommended can run on 87 octane with a slight loss in power. The engine fuel management system will adjust for the lower octane and there will be no harm to the engine. The bottom line is to use exactly what the manufacture recommends.


What was the purpose of adding lead to gasoline?

Lead was added to gasoline to inexpensively increase octane ratings and to also help reduce engine knocking.Increasing octane and reduce engine knocking are exactly the same thing, as the test method to measure octane of a fuel is to see when a standard engine begins knocking. The higher compression ratio the standard test engine can be operated at without knocking, the higher the octane of the fuel being tested.


Why does a high octane fuel has a less tendency to knock in automobile engine?

because the high octane fuel prevents the igniting of fuel before the starting of engine


Can regular unleaded fuel be used in a 2002 Lincoln con. without harming engine?

regular unleaded fuel is safe for every gasoline car engine. the only difference is more watered down and less octane, which means less power for the punch. But the prices are so high I dont care. I can fill my tank for $40.00 of regular and put in a bottle of octane boost for $2.00 and then I have super unleaded. But its up to you on how picky you are. WRONG!!!!!!!!! The above answer is totally incorrect, and it is not about being picky. it is about being smart. Regular unleaded is not water down, and does not provide less power. It does contain less octane, which is why it is not safe to use in every gasoline engine. It is a myth that a higher octane fuel provides more power and better mpg. The octane rating of gasoline tells you how much the fuel can be compressed before it spontaneously ignites. When gas ignites by compression rather than because of the spark from the spark plug, it causes knocking in the engine. Knocking can damage an engine, so it is not something you want to have happening. Lower-octane gas (like "regular" 87-octane gasoline) can handle the least amount of compression before igniting. The COMPRESSION RATIO of your engine determines the octane rating of the gas you must use in the car. One way to increase the horsepower of an engine of a given displacement is to increase its compression ratio. So a "high-performance engine" has a higher compression ratio and requires higher-octane fuel. The advantage of a high compression ratio is that it gives your engine a higher horsepower rating for a given engine weight -- that is what makes the engine "high performance", and that is why the myth persists that a higher octane fuel increases power. The disadvantage is that the gasoline for your engine costs more. But the fact is that your Lincoln requires 91 Octane Premium Fuel, and you should have know this when you bought it. Burning a lower octane fuel will in time damage your engine. The above poster may not care, but I bet you do. Your car holds 18 gallons of fuel. It is not cost effective to spend $2.00 for a can of octane boost, which would be more than the cost difference of premium fuel. Do not burn any fuel in this engine with less than a 91 octane rating, or you will end up with engine damage.


Can you use lower octane gasoline when it requires 92?

You may be able to change octanes between seasons ( reduce octane in winter ) to obtain the most cost-effective fuel without loss of driveability. The manufacturer's recommendation is conservative, so you may be able to carefully reduce the fuel octane. The penalty for getting it badly wrong, and not realising that you have, could be expensive engine damage. If you use a fuel with an octane rating below the requirement of the engine, the management system may move the engine settings into an area of less efficient combustion, resulting in reduced power and reduced fuel economy. You will be losing both money and driveability. If your vehicle does not have a knock sensor, then using a fuel with an octane rating significantly below the octane requirement of the engine means that the little men with hammers will gleefully pummel your engine to pieces. The bottom line is that you might be able to move to a 89 octane level fuel but it will cause a loss of power & mileage, and may cause engine damage. My advice is to use the exact octane fuel listed in your owner's manual. That way you get to most the engine has to offer, in power & mileage. And you do not take a chance of ending up with engine damage.


What is the specified fuel for manual Honda civic accord 1995 model?

87 Octane Regular is the fuel this engine was designed to run on. Using a higher octane fuel is a total waste of money and will provide no more power, mileage, or any other benefit. It is a myth that a higher octane fuel is better. It is not!


What are two ways to increase a fuel's octane rating?

Octane rating is simply a relative measure of how much octane (which is a chemical substance) is contained in gas. The only way to do it properly is to buy higher octane gas. But buying higher than what your manual recommends is completely pointless. Contrary to popular opinion, you will NOT get more power, you will NOT get better mileage, and it will not run your engine cleaner.


87 and 91 gas?

Use exactly what your owner's manual lists. Using a higher octane than your engine was designed to burn, will provide no benefit whatsoever. No more power, no better mileage, and in fact can provide poor starting, and in some cases, harm the engine. Besides the fact you are paying more for high octane fuel you do not need. Using a lower than required octane can cause less power and pinging. This can eventually do damage to your engine. It is a myth that a higher octane fuel provides any benefit to an engine not designed to use the higher octane.


Does nitro fuel increase engine performance and clean from inside?

yes it increase by provinding more power to the engine and cleaning it by using its magical buch powers. nitro fuel is the best fuel for the engine


Your 98 grand prix runs poorley on premium gas engine light comes on and is hard to start however all symptoms cease and car purs on regular unleaded WHY?

Because the engine is designed to run on Regular Unleaded. You are wasting your money running a higher octane fuel. It is a myth that higher octane fuel creates more power or more mpg. Octane has nothing to do with power nor MPG. Anyone who tells you different does not know what they are talking about. Octane is used to prevent pre-ignition in a high compression engine and nothing else. This is why people think it increases power. They assume that performance cars use Premium so it must increase power. Absolutely not the case. High performance engines use premium due to their high compression rations. Use the octane fuel recommended by the manufacture. Running a higher octane can actually damage some engines.