New Chevy 6.0L gasser -- Octane?
Just bought the new Chevy 2500HD with 6.0L gas ... and wondering what you guys run for octane. And why you choose it? -- The 'why' is important too ... because it's not just about mpg, it's about ...
Forum Discussion
Turtle, ethanol has lower energy content than gasoline but higher octane. I have read similar reports on random threads from several brands and types of vehicles, same octane of gasoline vs. E10 is about 10% difference in fuel consumption.
