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Originally Posted by MNBoxster
Hi,
The reason you want 93 Octane or better Fuel is that higher Octane Fuel can be compressed more before spontaneously combusting. It does not have any more Power (read Energy) than Regular 87 Octane, in fact in some instances it may actually contain less Energy depending upon which Octane Boosters are used.
Happy Motoring!... Jim'99
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Very instructional reading. You must be a mechanical engineer! Appreciate your insight on the subject. I do use premium all the time. Money wise it does not hurt the bottom line in my daily usage of 20 miles a day therefore I use the premium gas. I am a firm believer of what the manufacturer recommends for the car. Whether it is tires or gasoline I follow the prescribed recommendation.