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How does octane percent affect a car?

Updated: 8/17/2019
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14y ago

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octane is how volatile the gas is the higher the octane the bigger the boom and cleaner it burns

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Q: How does octane percent affect a car?
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Will mixing 98 octane and 91 octane affect your car?

no it will not as long as they are both pure gasoline.


What percent 93 octane 87 octane to make 89 octane?

65% of 87 and 35% 93 to make 89 octane gas


Will 93 gasoline affect the engine?

To anyone who does not know what this means who is reading this, '93 gasoline' describes the level of octane (as measured by a special chemical equation) in a gallon of gas. 93 level octane (as it is called) will have no affect on the average engine, and it is only a myth that it will improve performance or mpg in a car. So the answer is no, it will only affect your wallet (cost of 93 versus a cheaper fuel) unless you happen to own a car with a high compression engine it is a waste of money to buy a higher octane than your car was designed to use. In fact newer vehicles with computer controlled fuel management systems requiring 87 octane will be harder to start with a high octane fuel.


Does medium gas octane affect a car which uses premium fuel?

Using a fuel other than specified could adversely affect the emission control system, and may affect warranty coverage.


What is the octane rating for a 1994 Cadillac Seville?

your car must have 93 octane.


What octane gas?

Each car should have a recommended fuel octane in the owners manual.


What is the gasoline octane for 91 Lincoln town car?

For a 1991 Lincoln Town Car : " regular " unleaded gasoline , 87 octane


1985 Nissan 300zx turbo should you run 93 octane in it if anyone knows some easy mods that be cool?

No, car was designed to run on 87 octane higher octane is a waste of money for that car.


Will mixing 87 octane gas with 91 octane gas affect your car?

not at all you're essentially making 89 octane. Using a higher octane than the engine was designed to burn is a total waste of money. It will provide no benefit whatsoever. No better mileage and no more power. It is a myth that is does. In fact on modern cars it may make it harder to start. Use what is recommended by the manufacture.


What is the best octane or gas for my car Mitsubishi galant 1994 VR4?

93 octane all the way!


Will mixing 91-octane gas and 87-octane gas damage your car?

Not really. Fill up with the "correct" octane when you run some fuel out of your ride.


If a car has been given a certain type of gas for a long time would it hurt to start giving it different type of gas?

It would only hurt if the car required 89 octane or 92 octane and you went to a lesser octane. Those cars are engineered to run on a higher octane. A car engineered for the lower 87 octane might actually see some performance improvement by going to a higher octane once or twice, because the higher octane will help to clean the injectors a "little". Not much though. Over all there is no real significance to using the higher octane. The higher the octane level, the "richer" or "heavier" the fuel is. So if the car is not manufactured for the higher octane, you will eventually cause carbon build up at a faster rate than normal.