How close, is to close for rad fans to water pump pulley space

make sure they are pulling air . advice at speed is mother nature. rad needs 2 b clean . fans of any kind will pull or push . but have a clean area to do either sounds he needs to sale . clean radiator is proof. your set up as seen is cool. do some tests . one fan or low coolant. but when u put back together and works as a bunch said on this site fm. and go.