intake port choke calc I was checking my build and rpm of the head flow the other day and with a std port sq in of 2.7 446" 7krpm my choke on my port size was more like 2.85 sq in. for 7k rpm.I am sure I am not figuring in everything that is needed but maybe it will help

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/