What grade of gas do you use????
Premium Grade Fuel
Ive had my 06 G35 sedan for about 3 weeks now. I tried the low octaine at first but the premium grade (91 octaine in AZ) makes the engine run so much smoother at low to midrange rpm. It also seems to have a little bit more power.
Last edited by BigSwede; Dec 18, 2006 at 10:48 PM.
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