there is a blow through set up, complete w/ upper ic pipes with the cut out for the gm mas you can either get one for a vette or a impala ss, 3" and 3.5". it also gives you the tanslator that you mount somewhere under the hood to give it that go fast LOOK... the whole thing gets mega pricey for just what you are looking to do but
http://www.dejontool.com/Fuel.htm is what you want if you want to check up on it your self... but the better way is go w/ the s-afc (super air flow converter) that will eliminate SOME of the problems with venting... so its back on you... good luck