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Swapping viscous Fan for Electric?

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Old 02-23-2009, 01:40 AM
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Default Swapping viscous Fan for Electric?

Hi all,
I have a 2.5 petrol 94, Cherokee.
I have in the past changed the viscous fan setup to an Electric Fan with a special "adjustable themostat" that sits in one of the coolent hoses.
I use the jeep on roads most of the time so I was thinking the electric fan setup is better.
When I have done this conversion in the past on other jeeps, vans , It gives the engine more torque and improves fuel economy.
I am a bit worried though about the Air-con, Does this need the viscous fan also to work?
Anyone done this before on an XJ?
Old 02-23-2009, 02:46 AM
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check out the go jeep home page you will find some good info there on this and many other things http://www.go.jeep-xj.info/
Old 02-23-2009, 08:35 AM
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you need a very thin electric fan. xj's don't have much room there.

a popular mod is to fit in a ford taurus fan. one from a 3.8L with 3 speeds.

others use a flex-a-lite 108, but are over 100 bux.

another great swap is the small ac cooling fan. swap it out for a 96+, they have better design and more cfm. they're the ones with curved blades.
Old 02-23-2009, 07:23 PM
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Will electric fans perform well while mudding? My concern would be throwing the fan off balance and having it break apart and tear-up my radiator.
Old 02-23-2009, 08:07 PM
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well that's the brilliant part of an electric fan. you just wire up a switch so you can shut it off when in deep water/mud.
just have to remember to turn it back on afterwards. i have heard horror stories when someone lent out their jeep and the friend didn't know about the switch, jeep overheated and crapped the motor.

even a clutch will burn out of a stock mechanical fan when in deep water.
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