How do you make your 4.3 v6 go faster?

go and buy a voodoo cam yours is probably hydrolic roller if it is throttle body go to summit and buy a carbed intake manifold with a 750 cfm carb have your heads port an polished pull the catalytic converter an your old muffler and buy a free flowing glasspack like a thrush n if you really want more power buy pistons and do a rebuild