I myself run E10, 87 octane fuel in my 3G. In the Isuzu, I would run nothing less than 91 octane (turbo, of course that's why I do it).


I would like to run higher octane fuel in my daily driver (3G), but the price and the fact that the higher octane leads to more detonation, which in turn leads to less fuel economy kind of deturs me from the opportunity.