Not a ME but many modern ICE’s have tons of mechanical complexity in the valvetrain to handle varying timing and lift. From multiple valves driven by different

Not a ME but many modern ICE’s have tons of mechanical complexity in the valvetrain to handle varying timing and lift. From multiple valves driven by different camshafts to various ways to switch between camshafts or rotate cams, this stuff gets crazy. Presumably Porsche’s design still has all of that, too.