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dual electric fan

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Old 07-30-2010 | 07:34 AM
  #31  
1991Jeep_Man's Avatar
1991Jeep_Man
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From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
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Originally Posted by 4.3L XJ
For the fans to be effective, they have to be either next to the core or have a shroud to seal off the sides. Once you move the fan from the core, it sucks air in from the sides and will partially recirculate the blown air.

I know the fans must be against the core, but the brackets I was talking about could easily be bent in a way that they curve around the upper brace and connect to the fan. Basically, have the fan sit where it needs to be, and make a trace of how a bracket would need to be shaped to connect the fan to the brace. Lol, this is one of those few strokes of brilliance I manage to pull from my head every now and then.
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Old 07-31-2010 | 04:21 PM
  #32  
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1987XJ
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From: Oak Harbor, Wa
Year: 1987
Model: Cherokee
Engine: 4.0 Renix
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Originally Posted by 4.3L XJ
Here is my set up. I have two fans pulling 2000 cfm. The shroud I built. You can build one too using angle and sheet aluminum and pop rivets. That is how I built my first one.



Do you have them set up as pullers or pushers? (pulling air through the radiator or pushing air through the radiator)
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Old 07-31-2010 | 09:36 PM
  #33  
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Andrew0257
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From: Central Florida
Year: 1999
Model: Cherokee
Engine: 4.0
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They have to be set up as pullers. Most fan blades can be flipped either way.
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Old 07-31-2010 | 09:56 PM
  #34  
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4.3L XJ
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From: Chico, CA
Year: 1986
Model: Cherokee
Engine: 4.3L with headers and full 3" exhaust system
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Originally Posted by 1987XJ
Do you have them set up as pullers or pushers? (pulling air through the radiator or pushing air through the radiator)
They are pullers. Fans can be reversed by switching the ground and hot wires.
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