MetalStorm
I can't say what was gained because you know I have Factory Iron
However I found this link in a post today. Hope it helps.

http://users.erols.com/srweiss/tablehdc.htm#Chrysler_Big_Block

By the way the B1-BS will be my next set of heads

EDITED: forgot to put in the link

Last edited by roadhazard; 01/09/10 11:55 AM.