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#1
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what fan to use
I have the original 7 blade clutch fan off my 318 factory air 72 swinger. Will this cool my 535 hp 416 that I put in the car or should i use the MP viscous fan? I am using a northern 26" aluminum radiator with the northern shroud. I will be using a external tranny cooler.
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#2
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As long as you're positive the viscous hub is working OK, the 7 blade should work if it fits into the shroud correctly. I had a cooling problem years ago and after lots of $$ I bought a Hayden repop fan hub and sure enough that fixed it. Also see the comments in dartster's threadhttp://www.moparchat.com/forums/showthread.php?t=106765
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#3
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That fan should work just fine. IF you want to go electric go with a Spal fan. You wont find a better one out there. Most common I'd say is there 2450 cfm model. IT's 15" and very thin and uses very little power.
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#4
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If you got an aluminum radiator, almost anything will work. On my 600 hp cuda i rarely turn on the electric fan, as long as the car is moving. the hood is vented, so air goes through the rad very well. I just use a small 14 inch $79 Summit electrical fan with no shroud.
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