http://www.gminsidenews.com/C6.htm
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The high performance version of the C6 (possibly still named Z06) will be powered by a new generation of cam-less engine. That’s right, electronically actuated valves. Not only will this give the HP version of the C6 infinite valve timing, but close-to, if not north-of 500hp. Cam-less engines have been used for years in circular piston aircraft engines where placement of a cam is impossible. Since publication-we’ve gotten wind that this cam-less engine may not be available at the start of production-despite the fact that Dave Hill has promised all 3 versions at the start. Snake tamer is one word we look forward to using with the C6. This little bit of engine information has already gotten close to 14 people fired from GM, and is one of the C6’s most closely guarded secrets.