5-20 years ago it seemed that the early 90's Tarurus fan or the late 90's dual Contour fan was the way to go. Any other suggestions on what to use these days? Mark VIII fan?
I looked at S197 fans, but they are too tall. Any other recommendations on what to use?

Ford Motorcraft Taurus fan is available on Rockauto for $100
Only aftermarket brands of Contour available on Rock Auto
LMR has the Contour fan, but does not list if it is NOS or aftermarket (which leads me to believe it is aftermarket).

I haven't found flow data for the Taurus, Contour flows 3,500 CFM

I have a 04 Cobra computer with Ron Francis wiring kit which has fan control, fan wired via a relay. I believe I will add a heavy duty relay such as
http://www.texasindustrialelectric.c...0332002156.asp

Any other suggestions or recommendations?