keith carft or dss

i call dss and keith craft dss told me with my heads and intake carb a pro bullet 306 i would run 11;60 or better on motor so just to compare i called keith craft and they told me i i needed a 331 and i also neede to put 350 hp to the ground to go 11;60 i have edelbroke 6037 heads victor jr intake and aed 650 dp with a 5 spd and 4;10 gears in a notch back i want to go 11;50 can some one help me?