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Is a Radiator fan needed for a Thicker Radiator?

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Old May 12, 2010, 03:43 AM
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Is a Radiator fan needed for a Thicker Radiator?
If I change my radiator to a thicker one is the radiator fan still needed for street driving
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Old May 12, 2010, 04:02 AM
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Yes

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Old May 12, 2010, 04:18 AM
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Old May 12, 2010, 05:25 AM
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Yes, or youll overheat when you stop at a light or traffic
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Old May 12, 2010, 07:40 AM
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You do not want to be driving 'round with no radiator fan my friend, if I where you I'd get a thicker radiator a slimer fan!
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Old May 12, 2010, 10:28 AM
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Radiators need air flow to work. It's not a heat sink.
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Old May 12, 2010, 10:46 AM
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I have not used the inner rad fan on my car for over a year and a half now temp has never gone up as a result. I still have the outer fan though FWIW
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Old May 12, 2010, 11:23 AM
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Originally Posted by gsrboi80
I have not used the inner rad fan on my car for over a year and a half now temp has never gone up as a result. I still have the outer fan though FWIW
your outer fan is the the AC. but when the car notices there inner fan not working it kicks on the outer fan for safety
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Old May 12, 2010, 11:28 AM
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Originally Posted by gsrboi80
I have not used the inner rad fan on my car for over a year and a half now temp has never gone up as a result. I still have the outer fan though FWIW
Have you logged your coolant temps? The in car gauge only starts going above halfway at something like 225F.
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Old May 12, 2010, 11:34 AM
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wit just two letters answering your question, SI ;]
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Old May 12, 2010, 11:45 AM
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Originally Posted by wreckleford
Have you logged your coolant temps? The in car gauge only starts going above halfway at something like 225F.
Yup no difference at all
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Old May 12, 2010, 11:46 AM
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Originally Posted by evodan2004
your outer fan is the the AC. but when the car notices there inner fan not working it kicks on the outer fan for safety
Yup I was aware but it will kick on from time to time even if AC and defroster is off
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Old May 12, 2010, 11:48 AM
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Originally Posted by gsrboi80
Yup I was aware but it will kick on from time to time even if AC and defroster is off
yep. even when ac is removed it will still go on. imo if both fans go on its because the ecu said ''yo fan #2 heeeeeeeeeeeeelp''
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Old May 12, 2010, 11:50 AM
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I'd keep both fans if possible. I ran only the outer fan for a year without any issues though.
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Old May 12, 2010, 11:51 AM
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i would like to run a slim fan on the outer and wire it to my inner slim fan to go on together. i wonder if it would help. lol
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