[70rs]

Originally Posted by Mkelcy

So far as I've heard, it's an L92 issue, not an LS3 issue. Here's the only thing I could find on a quick Google search: http://forum.grrrr8.net/showthread.php?p=177239

Note that Denali's came with L92 engines, not LS3s.

Thanks Mike. That will give me some information to go with, and search for more. I am going to use L92 heads and want to be sure I don't miss something important like valves breaking off.