i was thinking of swaping to an electric fan just wondering if i should do a dual fan setup if so how many cfms should i look for in a fan?

 

From what I've seen most people are using dual 16" from ebay but I think the best fan is a single 18" from a Lincon Mark VIII or a Mustang Cobra. 16" fans are on Mustang Gt's and Crown Vics. Ford 2 speed fans move a lot of air and can be had cheap and fit the radiator and have a built in shroud. Do a search there are a lot of stuff on it.
http://www.fordmuscle.com/archives/2006/10/Mark8Fan/