273 4 barrel manifold questions

if you do end up going with the factory 273 4-bbl intake try to get the throttle bracket that goes with it. It kicks out for the 4-bbl carb as yours kicks in for the 2 bbl.

see pic's in link, they can be hard to find
http://www.forabodiesonly.com/mopar/showthread.php?t=188106