I heard he changes the engine, to compete in 2 classes. ^^ the high pinching plasa like sound is the original gp2 engine (Mecachrome 4.0l V8, 612Hp/500Nm), the other is i think a judd (zytek engine 3.0l V8, 520Hp) he uses.
motorsport went downhill from here. All traditions were kicked up, they took away the sourness and pepper of the whole thing. The way a modern F1 car sounds compared to this is ridiculous!! No more passion, no more rock&roll...😨😨😨😭😭😵😵😵😵😠😠😠