GM covered it.
[ame="http://www.youtube.com/watch?v=ZLT7DjnKvnY"]YouTube - Z06 Blows Engine[/ame]
[ame="http://www.youtube.com/watch?v=ZLT7DjnKvnY"]YouTube - Z06 Blows Engine[/ame]
GM covered it.
The main issue is oil starvation in high G corners. They fixed it in 09' with a larger dry sump.
Well that sucks for all the 06-08 owners.