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This shows normal overhead cams being used.
[ame="http://www.youtube.com/watch?v=1ihblshF_hQ"]F1 2014 - Ferrari - 3D launch of the new Ferrari V6 powerunit - YouTube[/ame]
When I reseached pneumatic valvetrains, I did see that some still used the cams to open the valves but used pneumatics to close the valves, basically "air springs".
I saw others that used solenoids and no cams.
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