I think Gordon Levy makes a very nice dual fan HD rad setup that will make you happy.
You can contact him through the ask the expert section (scroll down the forum main page) or his website:
Levy Racing home page
There are other 'forum vendors' (suppliers who pay to advertise here) who also sell the stuff you are looking for, but you can't go wrong with Gordon.
Mk III partial SN95 donor, 351W stroked & poked to 396 c.i., custom EFI, 4 into 4's, 3link, 3.73, chrome FR500's, full bumpers, 2 X roll bars, IČ electronics, hydroboost, 5-lug, GT front, MK VIII/Cobra rear discs, painted by SRP, (fully) legal and driving! Graduating...?