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Q: Why do cars need less octane in higher altitude?
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How is octane used?

the higher the octane the better it burns and you get less build-up in your pistons, some vehicles recommend higher octane ! these are most likely used in the faster cars for drag racing to get up more speed and when it reacts, it glows a bright white


Why are airplanes faster at high altitude?

Higher altitude air is less dense. Less density means less air; less air means less friction, and less friction means a higher speed.


Why do you have to burn low octane gas at high altitude?

Now i am notentirely positive, but its because high octane fuel burns easier, so the jet engine doesn't need to be very complicated to work in the air. Also the air up i the atmosphere has a less concentrated amount of molecules, i don't know why that has something to do with the high octane gas but, you never know. And the higher octane needs less, to do more. So it makes the plane lighter and can hold more.


Is the temperature cooler in low altitude or higher altitude?

There is ever-so-slightly less... but good luck measuring that tiny difference!Altitude is the point at which an item sits in relation to sea or ground level.


Why does a sealed bag of chips expand when you take it to a higher altitude?

the higher the altitude, the less pressure there is inside the bag. Check out Bole's law


What is a characteristics of altitude?

Well altitude is the distance above sea level. The higher the altitude, the less air pressure and temperature there's going to be.


Are the contents of an aerosol can less at high altitude?

No, at a higher altitude there is less atmospheric pressure pushing on the contents of the can and the contents inside the can will expand and you would have more.


What types of hydrocarbons are more abundant in higher-octane gasoline?

smaller and less massive hydrocarbons :)


What is the required fuel octane rating to be used in a 2005 Cadillac De Ville?

91 Octane Premium Fuel. Use nothing less or nothing higher.


Would solar panels generate more power at a higher altitude?

When you are at a higher altitude there is less air to dissipate the sunlight, and solar panels increase in efficiency at colder temperatures.


How does height above sea level affect climate?

Air is an insulator, the higher the altitude the less air there is, therefore less insulation and the suns heat can escape easily. The higher the altitude the more the atmosphere behaves like a vacuum.


What is a baro sensor?

Baro sensor has to do with altitude. The higher the altitude the less air gets sucked into the engine. It helps adjust the air fuel ratio. Cars that drive into the mountains may experience drivability problems because the computer is used to a lower altitude and cars the are used to the mountain air may have problems because they are used to the thinner air. Either way, the computer is "supposed" to adjust over time.