Acting like one cylinder firing lean.

Nasty problem, what were the other issues? We need the whole story.
Other issues were from a thumpr cam that I first installed. It shaked like crazy so alot of it was replacing manifold gaskets incase their was a vacuum leak on the underside of the intake. Then I installed a new edelbrock rpm manifold. And the last was replacing the thumpr with a Voodoo cam. The voodoo cam is a big improvement except for the current problem with the misfire or lean spot at idle.