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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
Jan 14, 2021 · The octane rating of iso-octane is 100. Thus for 93 octane the gasoline consists of 93% iso-octane and 7% n-heptane. To "make" iso-octane is a bit more involved, costs more, thus the more iso-octane in a given amount of gasoline the more it should cost.
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.
Feb 8, 2022 · Are there dyno charts of stock vs tuned? Is the 1/4 mile quicker? How much does this cost? Do they require a certain fuel from then on? Edit: found DS website that for ~$1100 you get. 93 Octane Performance Tune: 28HP 24TQ; 91 Octane Performance Tune: 22HP 20TQ; 87 Octane Performance Tune: 10HP 10TQ
May 5, 2017 · This reduces power. Don't buy a $40k high performance muscle car and then complain about the $2 difference between a tank of premium and a tank of regular. You'll spend maybe $5 extra per month to put high octane in your car, which is what the manufacturer says to use anyway.
Aug 15, 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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