85 Octane Gas

In a warmer climate 85 octane will cause pre-ignition known as knocking or pinging. Gasoline octane levels also referred to as octane ratings measure the fuels resistance to engine pinging which is the rattling sound that emits from an engine during acceleration.

The Law In Life Why Can You Buy Gas With An 85 Octane Rating In Colorado When The Standard Is Usually 87

More about that below.

85 octane gas. The western part of the state allows 85 or 86 octane to be sold if labeled sub-regular. 51 rows Some stations may sell lower octane gas if labeled sub-standard or sub-regular. Using a higher octane rating while it may not cause adverse effects to the engine means that you are spending more for no reason.

A while ago I was a firm believer that you should use the lowest octane gas available that did not result in engine knockpre-detonation. Use the map to locate the nearest E-85 petrol station to where you are it is based on your current geo location. If 85 is equivalent to 87 at lower altitude then logically 87 would be equivalent to premium at lower altitude.

Using a lower octane rating creates problems with the engine. This forced me to pay more for midgrade 87-octane. You should use the octane rating required for your vehicle by the manufacturer.

My gut tells me. So check your owners manual. The topic of what octane to use at higher altitude has been hashed out here before and Id thought the matter was settled.

The octane rating is prominently displayed in large black numbers on a yellow background on gasoline pumps. As many of you know in Colorado regular gasoline is 85 octane. Low-octane fuel rated 85 or 86 as opposed to the 87 for regular gasoline is common in the Rocky Mountain states said General Motors fuel specialist Bill Studzinski.

The third option youve got is to search for Ethanol 85 at wwwafdc. In the Rocky Mountain high altitude states 85 octane is the minimum octane and 91 is the maximum octane available in fuel. Regardless of legality fuel with an octane rating of less than 82 is generally not offered for sale in most states.

Some stations at higher elevations may offer 86 octane gasoline. I live in Arizona and use 87-octane regular. And so forth.

Gasoline with an 85 octane rating was previously used for carbureted vehicles in high-elevation areas but you should not use it in your modern vehicles as it is not designed to do so. If it suggests using 87 octane or 91 octane gas then you should follow it. Living in CO means the fuel octane is a bit different than many parts of the county.

To put it in perspective racing fuel uses 100 octane and gas in Third World countries can dip below 85. As noted previously higher octane fuel can withstand higher compression without detonation. Here in Colorado the octane ratings available are 858791.

Even john1701a - who I trust implicitly - says 85 octane. I havent driven a gasoline car for 19 years so Im a bit confused and just want to give my new car the best chance for a long life with all the. What is an octane level.

Youll be fine running 85 due to our altitude less atmospheric pressure but personally I have noticed that the mid-grade makes the engine feel a little happier. What octane fuel should I use in my vehicle. Your car would not be able to compensate for 85 octane fuel in a warmer climate.

Modern cars can adjust their engine parameters to prevent knocking but there is a limit. Gasoline with an octane rating of 85 is available in some high-elevation areas of the US. In Utah Idaho and Nevada stations were selling 85-octane as regular gas.

Maybe not as often. In most states its 87 octane. My question is whether 100 85 octane gas is a better winter choice than 10 91 octane gas for the RR.

The western part of the state may legally sell 85 octane gasoline as regular. E85 or flex fuel is a blend of 85 ethanol and 15 gasoline that can be used in vehicles specially designed to run on it as well as regular gasoline. Winter is approaching and I do ride my bikes year round.

In most of the rest of the US 87 octane is the lowest grade available. Hence the reason why 85 octane is. Other more uncommon fuel grades include Low-Grade 85 and Super Premium 93.

However 85 and 86 octane gasoline can still commonly be found in several rocky mountain states but availability is declining due to fewer cars with carburetors being still on the road and they are already gone in many states that previously sold it like Alaska Maine and North Dakota. The reason for this is that in higher-altitude areas a typical combustion engine draws in less air per cycle due to the reduced density of the atmosphere. The odd thing is that the places where I used to buy my diesel also carried 85 87 and 91 octane gas.

Here is a map of stations where you can buy E85 fuel nearby. Here in Colorado gas stations sell regular gasoline which is rated at 85 octane MR2. Nearly every gas station in America will have some form of range from 87 to 93.

Yeah 85 Octane is common in Colorado because of the altitude it has to do with the airfuel ratio and since the air is thinner it gets. Where does that leave 91 octane at my elevation. The higher the fuel octane rating the less.

Which States Have 85 Vs 87 Octane Gasoline Anne S Travels