I installed the fan using some half-inch sheet metal screws, using two washers plus the thickness of the bracket in order to -not- hit the first cross-tube. The top of the radiator has the bracket on the outside of the fan.
Description: I installed the fan using some half-inch sheet metal screws, using two washers plus the thickness of the bracket in order to -not- hit the first cross-tube. The top of the radiator has the bracket on the outside of the fan.