i/h/e = need higher Gas octane?

[Superesc]

Just wondering, currently I am using Mid Grade for my Teg (eerr...that's what the dealer suggested) but with i/h/e, would you need higher octane gas? (because there's more air going in?)

-Calvi n

[buh_buh]

I don't think it really makes that much of a difference unless your going FI.

[89ssgti]

Originally posted by buh_buh
I don't think it really makes that much of a difference unless your going FI.

or if you advance the timing