Edelbrock don't know jack about your combo. Your better off getting info here than asking them. Their information already had you going down the wrong path. The guys here straightened that out pretty darn quick for you.
I too will take the 40-50hp for less dollars. I have a fresh set of the 60779 heads ported that flow 300cfm on my parts shelf for 2 years now and I still have not used them. Eventually I will on something.