That site Denny mentioned has a post listing,,,305CYLINDER#14014416AIRFLOW#'S,,,,,With stock 1.84" intake valves
LIFT CFM@28"
.05 29.4
.10 57.4
.15 88.3
SKIP
SKIP
SKIP
.35 188.7
.40 201.8
.45 213.3
.50 217.8
.55 220.7
Sorry,,,I don't know how to take the post and send it here or I would.
Maybe these numbers will help,,,,,and of course they are 'internet' info where every body is a 30 year mechanic and has a 10 sec.car!
And I am by no means an expert,,,,I just act like one online!:LOL:
HEY,,,, clubhotrod regulars,ya gotta make room for backyardigans like me:LOL: to get on here and talk this stuff to without being blowed clear off the map,,,,I'M TRYING NOT TO POST BAD ADVICE OR WRONG FACTS,,,read the disclaimer above:p