Electric or Flex Fan?

In MY experience from selling performance parts, and my own experimenting on my own vehicles , I've always had better luck with a electric fan. I paid good money for a viscous fan for a moderate 318 in my dart, and it never really did much more than factory. I had better success with a junkyard 16 incher BACKWARDS as a pusher(and removing the clutch fan). Combining an electric with a engine driven fan is just asking for a turbulent mess of air and may even hurt cooling. At the end of the day you'll just have to see what your car likes.