rochester

Ok guys, my first thread. I've got this magnificent 74 nova with all original mechanics. the recently rebuilt rochester dual jet stalls out pretty bad when you romp on it. I suspect a vacuum leak, I just haven't hunted it down yet. My question is, if I replace the intake manifold gasket, what...

I'm a shade tree mechanic at best and I'm just trying to keep the magnificent Leroy the 74 4 door Nova running as long as possible.