A station near my house has 90 octane ethanol-free gasoline now. I typically put 87 or 89 in my 1996 SC2, I decided to try this ethanol-free for my last two tanks. My average MPG went from 33.6 to 36.7 with driving styles being the exact same. I took a 100 mile highway trip and averaged 42.1 MPG, my best previous 100 mile + highway trip was 37.4 mpg. These results were taken from a Scan Gauge and verified by filling the tank and doing the math.
I have also noticed that the engine feels smoother in the upper rpm range, idle is more consistent, and seems to have a bit more response.
I really like the idea of no ethanol, seeing what is left after it burns does not really make me want it in my engine.
Would it be a bad idea to try a 13 gallon 90 ethanol-free and 2 gallon 110 octane mix in the Camaro?
That should be just under 93 octane.
I have also noticed that the engine feels smoother in the upper rpm range, idle is more consistent, and seems to have a bit more response.
I really like the idea of no ethanol, seeing what is left after it burns does not really make me want it in my engine.
Would it be a bad idea to try a 13 gallon 90 ethanol-free and 2 gallon 110 octane mix in the Camaro?
That should be just under 93 octane.
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