here is some more info i found on the trick flow heads.
http://bangshift.com/general-news/n...ock-chrysler-cylinder-heads-new-option-wedge/
i am not sure yet but i am thinking about selling my Indy EZ heads that are more or less box stock. the valve bowls have been lightly ported but that's it. mine have a 270cc intake port that i always wondered if they was to big for a 440?