NHRATA Posted January 14, 2011 Report Share Posted January 14, 2011 I'm working on a set of cast iron ford 4v cleveland head for a pulling truck. Class has to run stock casting . The heads flowed good cfm numbers but were very slow so i changed the port a little http://i129.photobucket.com/albums/p211/NHRATA/2011-01-12_10-04-21_534.jpg Quote Link to comment Share on other sites More sharing options...
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