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Jul 6, 2021 · The octane rating measures how much compression a fuel can withstand before igniting: the higher the octane rating, the less likely the fuel is going to preignite (sometimes referred to as...
- What Is An Octane Rating?
- Why Do Some Manufacturers Require Or Recommend Use of Higher Octane Gasoline?
- What Is 85 Octane, and Is It Safe to Use in My Vehicle?
- Let’s Talk: Comment Below to Talk with The Guides & Gear Editors!
An octane rating is a measurement of the fuel’s ability to resist engine pinging. In short, an octane rating is a reading of the fuel’s stability. Regular fuel typically has an 87 octane rating, mid-grade fuel typically falls between 88-90, and premium fuel is typically rated at 91-94 octane. Racing fuel typically has a higher octane rating, such a...
Vehicles that recommend or require premium fuel have slowly become more common as of late. This, in part, is due to modern cars with higher compression ratios and turbochargedengines that require higher octane.
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.
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May 1, 2022 · Octane is the rating at which gasoline will spontaneously combust under pressure or alternatively the resistance to combusting (controlled or uncontrolled). Using a higher octane rating will help reduce the above unwanted detonation and preignition.
The typical way the recommended fuel octane is listed is as follows: XX Octane (sometimes “AKL” is put in place of octane) recommended; XX Octane minimum; Using a fuel with an octane rating under the minimum requirement is likely to cause engine knocking. Choose fuel based on the octane number, not the name (regular, premium, etc.) of the ...
Jun 28, 2017 · According to the latest data from AAA (which tracks fuel prices daily instead of the EIA’s weekly), premium costs $2.80 per gallon on average, or 60 cents more than regular. In 2000, the...
- Contributing Editor
Aug 4, 2019 · We tested higher octane fuel than manufacturers require on the Honda CR-V, BMW M5, Ford F-150, and Dodge Charger to see if it impacted acceleration or MPG.
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Jul 13, 2021 · For a while, I had a 93 octane tune in my Hemi, but when Premium got to the point of being a $1+ over the cost of Regular, I backed it down to a 91 octane tune, which ran fine on Mid grade. 2021 GT Plus
