If you look at the fine print in the latest Taurus SHO commercials it states that to get the full 365 hp you need to run premium fuel. So if ford is programming the PCM on the SHO to sense different octanes and adjust power output accordingly, then they are probably doing it on our focii also.
13 Blue Flame F150 FX4 402A on 20's loaded
13 Frosted Glass Escape Ti 401A loaded
13 Performance Blue SE 201A
14 Dark Side Fusion SE 200A
L-CCC #18/HOIA #37