i think custom 5 sounds too scooped (the gibson 498t too)
i had a duncan custom loaded with alnico 8 (really middy, bassy and strong, but gets a bit muddy sometimes)
maybe you want a crawler
or a holy diver if you want fuller midrange
or even an alnico version of cold sweat :idea:
but the closest to doug aldrich pickups description is the nailbomb