Check that float anyway new carbs - especailly bings - come pre fucked up.
That aside, id take that high comp head off until you get things running right, its just another complication while diagnosing things. At 82 sounds like your in the right range or to the high side to me with a little bing....
Life is to short to own a case matched metra 65 and a pipe and not put a forward facing manifold from treats and a dellorto 19mm carb on it. That will wake the bitch up and fix your problem.
Unless of course its timing. But then you will still have a way better carb and intake lol.
Stimulate the economy, buy a del