In article <o0yej.3758$M24.882@newsfe17.lga>,
"alfred" <tomboy83=@yahoo.com> wrote:

> I have a 2008 Accord Auto 4 cyl EX-L. The manual says to use regular 87
> octane. The compression ratio in this car is high enough where premium would
> be required in other car brands with the same compression ratio and almost
> as high as other Hondas (such as the civic si) that do require premium. My
> question is that "if" I used Premium even though it wasnt really required,
> would i see an improvement in the performance being that its so close to
> almost needing premium?

No.

This is a family car. Honda's engineers know EXACTLY what they're doing.