Milling 6.0L 317 Heads

[John Junkins]

What is the most you can mill a set of 317 heads. For a stock bore LS1 with a 228/.588 112lsa. Is it possible to mill them to a 5.3 heads cc. Any help would be greatly appreciated. jwcej@msn.com
Thanks and God Bless Our Troops and the U.S., John Junkins

[John Junkins]

Any help would be greatly appreciated..
Thanks, have a great Sunday and God Bless Our Troops and the U.S.,
John Junkins