Have I made the right choices?

Your 1.6 rockers is going to give you a extra .032 inches of lift,brought up to .502,it will also make your motor think its got more duration as well as the quicker opening rockers will cause this.Also remember that what ever your C/R is with iron heads,you will loose 1 full piont to alley heads in the thermal heat lose?So if you had 10.0/1 with iron heads,its now 9/1.This is why the cambers are so small,Mrmopartech