Any recommendations for building a '73 340?

mderoy340 said
read this article and pick your flavor.

http://www.hotrod.com/how-to/engine/mopp-0102-1970-340-high-performance-mill-dyno/

That's a good article, weighs in favor of x heads and an early 340...

Trying to find more info on whether or not I should run the 587 heads