Well I'm thinking of using 4 mark viii fans(if they'll fit) two behind and two in front. Supposedly they move 4600cfm. I don't fully believe that but I know they move a lot nonetheless. I'll be removing my intercooler and putting two air to waters where my batteries currently are(one on either...
I guess it all boils down to what you have access to.
I've been planning to build an electric fan set up for a while now and will do it with or without dual fuelers. The spare engine I'm picking up has a good factory pump, and will allow me to mock up the setup. Also the companies I work with...