Plus grade gas
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Is 89 a significantly higher octane fuel than 87?
Or is 89 actually a considerably higher octane than 87? And why the difference in price? What accounts for that? Extra processing? @gooch, not if your car is made for 87; then it can鈥檛 combust the higher octane fuel which is used because it has a higher compression which other 鈥減erformance鈥?cars鈥?engines do.
What is 87 octane gas made of?
The common fuel ratings (87, for instance) refer to the composition of gasoline. 87-octane gasoline is comprised of an 87 percent blend of isooctane and 13 percent n-heptane, or a blend that’s equivalent. And so forth. Nearly every gas station in America will have some form of range from 87 to 93.
What is the difference between 88 plus grade gas and premium gas?
Plus grade gas carries an 88 to 90 octane level rating, with an 89 average. Premium gas comes with a 90 plus octane rating that averages out to about 92. Fuels of different grades will not burn the same way.
What is the difference between 87 and 91 fuel?
Regular 87 fuel burns slower than Premium 91 fuel, which will burn hotter and create more combustion. This is why most day-to-day cars can be filled with regular unleaded, while performance vehicles warrant Premium.