evo x best way launch

Hi there, I went to a drag racing event in Fatima aerodromo (Portugal) where i`ve met an evo 8 and an evo X sst owners. The evo X sst had Launch control (set the car to snow, pedal to metal and his rev`s would stay at 5000rpm) The evo 8 i guess exactly the same (at least he had the car set to...