First time swapping edelbrock aluminum for 915 cast iron heads.

I don't see a problem, I'm running '67 383 in my Barracuda FB w/ Edelbrock E-street w/75cc @ 10.25 compression & a Comp XE274 w/1.6 rockers & its my daily, makes good power & I ran 12.8@108 in the 1/4 w/stock converter 727 & 4.10 gears.