There are four bolt hole mounting points on the fan. Setting the fan in as you mentioned, it doesn't appear that these holes line up with anything on the radiator support. (Sorry if I'm confused) but does the fan bolt to the radiator itself? Or does it mount to the rad support? At the bottom there are two drilled out sections of the radiator support (approximately 1+ inch holes on each side at the bottom. Are these used for something? I have a regular cap Dakota 3.9 that doesn't have these. Well thanks again.