Another cooling system thread

Hello again everyone, now that I got my suspension figured out it's not time I address my cars cooling. It works alight but I'm frankly not happy with it. It could be way better, so I've been looking on this thread and I found a thread on mounting a stock shroud on a 22 inch champion and I really like with what he has done. But I would like to know what clutch fan he had used or maybe you're guy's suggestions as I'm fairly new at this. Right now the car has a cheap aluminum radiator that fits poorly, to the point where the upper hose almost contacts the battery hold down. And with no shroud and a fixed fan I just think it's rather inefficient. Here is what it currently looks like.

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