if you haven't already, go to the Chevy High Performance website. it has tonnes of articles on build-ups which will give you an idea as to the work involved and the parts you'll need. search the tech articles for these titles:
"how to build your first engine"
"build a small-block chevy"
peace<a href="http://www.chevyhighperformance.com" target="_blank">Chevy High Performance</a>