? Just use the other bottom plate, there is an ram air system include!?
But what you are doing with you're Nero? I have the Big Rock but till yet I never needs a fan to cool the motor down.
And I use the other bottom plate for off road!
Do you push the Nero on 6S over the hole discharge time on full throttle and also using the bigger pinion gear?
What temperature do you have on the motor while running?