Use the above mentioned pattern, but I think they need to be tighter. I've always went to 80 lb/ft.
Take a look here, use the part number 60379 (Standard Edelbrock Alum, 5.0 head) and check out the torque spec. They list it as 70/80.
http://www.edelbrock.com/automotive/...wnumbers2.html
Hope that helps.