There was a crack in every fire-ring, although you can only clealy makeout one in the pic.
http://www.xylicon.com/misc/P1014003_small.jpg

And the block itself (before I cleaned it up of course)
http://www.xylicon.com/misc/P1014005_small.jpg

Last question, is there a sequence for the intake? (its an edelbrock performer) and I can't locate one on their site.

Thanks again!