Go stud mount, it will offer better adjustability and strength; especially if you want to go larger cam in the future.
have you considered the 165cc Comp head? More info in this article:
http://www.fordmuscle.com/archives/2005/05/DynoDuel/
Same here, we have fuel issues as well. Power is still to be found.
Dyno curves are here:
http://www.fordmuscle.com/archives/2004/08/HighOnCarbs/index.php