If you could adapt the L92 Caddy LS2 heads, that would be great.
Those are cheap price wise(considering how much they flow),& my friend has a CNC program to make them flow even more.
http://www.proheads.com/WCCH%20L-92.html
http://www.proheads.com/
The head bolt pattern is off though.
These heads flow awesome!!!

MBHD


12 port SDS EFI