The fan brackets are spot-welded on. In order to remove them, you will need access through the front opening and that means removing the screen/grill. If you are going to use the Ron Davis radiatior with the intergrated rear shroud and fan, you will never go back once the conversion is done. So I say do it but you decide since, once you do it, its a pain if you want to reverse the process. If you don't remove the bracket, the clearance is going to be pretty close when laying the radiator forward.
Good luck with your upgrade.
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