oil in intake manifold????
http://www.thunderracing.com/catalog...vid=3&pcid=316
I also did the LS6 valley cover mod. It's more involved, I would just do the catch can if I was you. You can read about it here if you want:
http://www.ls1howto.com/index.php?article=18
It all ends up looking like this:
http://www.putfile.com/pic.php?img=7299774

