in a 95 lt1 z28 motor, what fairly simple upgrades can be don to unlock the "hidden" hp. I would prefer bolt ons first, then the more indepth stuff without doing a total rebuild. I am thinking the obvious intake and exhaust upgrades to get more air in and more out, a bigger throttle body and an upgraded intake manifold would be easy enough, also headers and dual exhaust. after that though where would I get the best bang for my buck? cam shaft? pulley kit?

thanks