The boys are givin' you the right scoop on this. A 302 in an early Falcon makes a beautiful installation. Check out the dyno tests with Air Flow Research heads. At the top of the page, click Dyno Tests, then click Ford Dyno Tested Packages....
http://www.airflowresearch.com/

For more cubic inches, check out this affordable stroker package...
http://www.speedomotive.com/ford_302...st_stroker.htm