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Nov 24, 2015 · 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 grade. If the cap is yellow, then the vehicle is a flex-fuel vehicle that can take E85 ethanol.
- Ian Swan
You'd just have to do the math on when putting higher octane gas becomes more expensive than the repair. If 91 over 87 is costing you an extra $10/tank, and you use 3 tanks/month, when is the crossover point where $30/month adds up to more than the repair.
Feb 3, 2022 · Compare the molecular diagram of n-Heptane (octane rating 0) to iso-Octane (octane rating 100) to see the iso-Octane has a more complex molecule. n-Heptane: C7H16 iso-Octane: C8H18 There are more carbon/hydrogen bonds in iso-Octane. These require more energy to break loose before they can combust.
How much does it cost to replace an engine? The replacement cost is going to vary greatly based on the vehicle, the year, and the type of engine you choose. It could be from $2000 to more than $10,000, and pricing it out based on your needs is key.
Jul 10, 2023 · Do higher-octane fuels deliver better performance and are worth the extra cost? Find out now with the lessons learned from a practical test comparing 87, 91, and 93-octane for fuel...
- Timothy Boyer
Dec 26, 2014 · Octane: is more better for your engine? Learn what octane does and why it’s important to use the recommended octane rating. Octane is a measure of a fuel’s ability to resist “knocking” or “pinging” during combustion caused by the air-fuel mixture detonating prematurely in the engine.
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Jun 9, 2024 · The main difference between regular and premium gasoline lies in the octane rating. Octane is essential to prevent engine knock—a situation where fuel burns uncontrollably in the engine’s cylinders. Think of octane ratings as a safeguard against this engine equivalent of indigestion.
