2.7 liter...that sounds like a Crawford Performance clone.
Hachi Roku n/a guys, do you have something against anti-lag? If you want crisp on/off throttle response AND turbo power...anti-lag might be the ticket.
Detonation: Hrmmm...what kind of modern fuel injection works really well on turbo engines and allows detonation to be controlled? (Clue: Subaru cars have the turbos, Toyota has direct injection technology.) The engine can't detonate if it doesn't have any gasoline in the cylinder yet.
I'm shocked that nobody brought up dry sump lubrication in this thread yet. The FT86 is pretty low.