jl audio w-7ae or morel Ultimo 12 D2 ?

i have 2 cars with the jl audio w-6's one is a town car and one a mark 8 lincoln. in the mark 8 i have 2 pair of jl audio free air marine 12's basicly a w-6. it has morell virtis 603's in it. powered by jl audo hd600 for the seperate and a jl udion hd 1000. in the second mark 8 using the same head unit and seprate i am looking at either a pair of the w-7s vs the ultimo. i am suing a rockford 250x4 amp for the morells and a rockford 2500 for the bass. my real question is are the moreels gonna hit like the w-7s do and since they are morrel's would they work together.