I figured this would be the best place to ask for some help. Can anyone access or even measure an Indy 400-2 manifold in a couple places for me? I need the cross sectional area at the runners entrance at plenum and the are at the flange where it enters the head. Thanks J.Rob


2009 PHR\EMC Competitor
2010 PHR\EMC Competitor
2011 PHR\EMC Competitor
2012 PHR\EMC Competitor
2013 PHR\EMC Competitor
2014 HotRod/EMC Competitor
2015 HotRod/EMC NoShow
2016 HotRod/EMC 3rd place SPEC Bigblock
2018 HotRod/EMC 7th place G3