Was the "official" reason we didn't get the jap spec k20a in our DC5 due to 98 octane not being readily available?
Or is it that regardless of availability, 98 isn't good enough as 100 octane (or higher?) is available in japan?

if reason number 1 was the case, maybe with 98 octane being more more common the chances of us getting a less detuned version?

as a side, are the evos, sti's, ferrari's, etc that australia get all considered detuned?