Just on the dyno with my DE car back to totally stock , calibratiing a map for 95 Octane fuel.
I can say running the cars on 95 octane fuel will cause the cars to swich over to the high det map as when you place the high det ignition map in the main ignition map the car runs the same reduced BHP, this shows the car is hearing detonation when running 95 octane fuel. I will explain more at a later date.
I think with a little work I can get a 95 octane mapped car back to nearly the same as a stock DE super unleaded car thou.
My car has 230 hub bhp at the moment up from 222 hub bhp running 95 octane fuel with 98 octane map , a stock 98 octaned fuelled car gives around 239/243 hub bhp.
Torque at the moment is around 8 lb/ft down through out the rev range but it was nearly 12 lb/ft down running 95 octane fuel with a 98 fuel map.
will keep you up to speed.