Yea you're right the guys are getting off the original "who's running the 440 Source BB heads" but as you know this is FABO.
I'm kind of a fence sitter on the Aluminum heads from whom ever argument. A few years back when I was building this 383 I looked at Edelbrock RPM's and said to myself do I want the added expense and mystery of Aluminums (a few years back there were still a lot of unknowns) or do I dance with the devil I know. I stuck with the 902's and with all new guts and porting and polishing, that I did myself, I figure I've got $1000 into the pair and I'm confident with what I brought to the party. If they crap out I got a set of bare 906's whispering in my ear in the garage just in case.