The Diesel Drag scene in America is taking off at an alarming rate. The speed that these 3 Tonne + rigs can accellerate at is nothing short of a miracle. I've seen 10 sec 3500 Rams, daily drivers
You can hear the turbo's spooling up at the start, being fed by Nos just to get them to turn. They sound almost exactly the same as a Jet engine, and much louder than a Helicopter warming up.