get ya self 2 L brackets and drill a ten mill hole in 1 end , un do the 2 top bolts that hold the fans to the rad, fix the brackets to the bolts that hold the fans to the rad.push the L bit of the bracket up to meet the under neath of the 500 cooler outlet pipe,and then put a jublly cilp a round the 500 cooler out let and tigten with the L bit of the bracket in between the cooler pipe and the jublly clip then jobs a good en