Mercedes have launched a video revealing the noise of its 2014 V6 turbo engine in a simulated lap around Monza.
Next year the current 2.4L V8 engines will be replaced by 1.6L V6 turbo power, one of the biggest changes in regulations in recent years.
It marks a move to a more sustainable future for Formula 1 as the new engines will be limited to just 13,000rpm and a new 8 shift gearbox.
The use of Monza is quite symbolic as the Italian circuit is the fastest on the F1 calendar and perhaps best shows off the noise of the new units.
In my opinion the new sound of F1 is not as bad as many expected, you still get the feeling of the power at high revs and there is still that scream though it is a much lower tone.
The new units will have just as much power as the current V8's thanks to the turbo and a new ERS (Energy Recovery System) producing an additional 161bhp for 33 seconds.
To put that in perspective the current KERS can only produce an additional 80bhp for 6.7 seconds per lap.
Teams will be restricted to just five of these units per season with some teams considering whether the new engines could also be used in Le Mans racing as the total distance expected is the same as the length of an entire Le Mans 24 hours race.
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