I'm not a 'fan' of the BlackMagic..  I had one melt down on me one time, and I have held a grudge against them.  Lots of people have good luck with them, but I like running it off the water pump if your a daily driver..  No worries about shorts or bad grounds...   
 
I too have no shroud, (to cheap for a $100 '79 replacement) my car runs hotter then I would like 190° - I have to put my car in neutral at a light to help air it out..  I have a stock radiator, and a piece of crap FLEX fan... 
 
If you put a shroud on it, I think you will be okay - if not get that Lincoln Mark fan everyone uses - Thats a nice factory part that draw a lot of air..  I think Texas Mustang sells it.... 
 
Good luck! 
		
	
		
		
		
		
		
		
		
		
		
	
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