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We can model the heating values by using standard heats of combustion 1 for iso-octane and cetane. Engineers distinguish between higher heating value (HHV) 1 and lower heating value (LHV) 1 of a fuel.
Feb 3, 2022 · In my previous car before the Challenger, owner's manual states the car is designed to take regular unleaded fuel with an octane rating of 87 but manufacturers recommend putting 91. So I put 91. Very clear.
Aug 4, 2019 · In a vehicle averaging 25 mpg and traveling 15,000 miles a year, that amounts to a $354 annual surcharge for using the more expensive stuff. Raising the octane rating (also known as the...
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Mar 11, 2023 · Premium fuel usually costs an average of $.50 more per gallon than regular. That is no small fee, especially when gas prices get into that $3-4 range. However, MotorTrend recently tested using premium gasoline in a 2023 Mazda CX-50 turbo to see if it actually made more horsepower.
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Jul 25, 2011 · I've heard from some people that high octane fuel will increase gas mileage. Around here, we have the basic unleaded (87), mid-grade (89), and premium (93 or 91). I've been using the basic 87 unleaded forever because it was the cheapest. Also, in my car's manual it recommend the lowest grade to use is 87 (Grand Am 2004 V6)
- Use the recommended gas for your car. Going lower than the recommended may reduce fuel economy as the engine may have to retard timing to avoid det...
- Some aspects of this question have been covered previously. In my previous answer, I pointed out that using octane that is too low will lead to ret...
- In my experience the difference is marginal at best. Given that I have known many people who swear by the huge benefits of high octane fuel, I've t...
- Well the first thing that you should do is re-read your manual. If the manual specifically says to use the lowest grade use that, the maker knows b...
- It may be worth trying out a tank of higher octane once, paying attention to how long it lasts over a tank of what you've normally been using. I no...
- It's like this... Higher octane fuels allow the compression ratio of the engine to be higher, and the higher the compression ratio, the more effici...
- 2008 enclave I get about 15 mpg in town on 87 and about 18 in town (if I drive it if my wife is driving it don't matter she gets about 11 mpg on ei...
- I have a 2009 Dodge Challenger SE (V6). The compression is 10.5-1. I used 87 octane for awhile and then switched to 89. My performance improved and...
- Holding all else equal , higher-octane fuel contains more energy per unit volume, and hence will give you higher "mileage." But on average it's onl...
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...
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The cost of producing incremental octane was calculated using two approaches and was shown to be less than the market price of octane. Gasoline, gasoline components, and feedstocks (e.g. naphtha) used to make gasoline are global commodities that are frequently traded between regions and countries.
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related to: how much does iso octane cost for a vehicle per gallonChoose Shell Premium Gasoline. Enjoy the Enhanced Engine Performance vs. Previous Formula. Premium Gasoline That Protects. Choose Shell Nitrogen Enriched Gas.
