Quote Originally Posted by banker099 View Post
found this info on l92 heads dont know if it applies to all lsx heads or not but i thought i would share anyhow.

Milling Information for Combustion Chamber Sizing:
- Approximately 0.006” per 1-cc
that's pretty much universal. It does vary with bore size and how steepthe walls of the combustion chamber are, but 1cc per 6 thousanths is usually very close.