Hope you do well with them Rod. There are a lot of heads out there in that segment.
I have looked at those Hughes bigmouth eddies before. 225 intake ports and they( according to Hughes) go over 300 at 1/2 inch and are Eddie castings.
Not trying to pick on you, sure you know what is out there... Lol
69 Dart GTS, performance upgrades in progress
11.26@ 118.40 best so far. Stock 360 shortblock with eddie heads.