Quote Originally Posted by Shifter
I don't recall the flexi-floors controversy with great detail, but I could see how, if the leading edge flexed upward it would create more clearance, thus the front suspension could be set softer...with speed and aero load, floor flexes up, aero load increases and presses down on the whole front of the car, lowering CG and giving the front wing more ground-level air.
Yes that's how I understand it too. Effectively lowering the front ride height below the minimum that's supposed to be enforced by the combination of the plank and a flat floor.