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Old 05-25-2012, 02:31 AM
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OEM fan or Electric one?!

It's an old story,clutch fan or electric one?
I live in Iran and the weather become really hot in summer,because of stupid guys here who cut our relation with US i have some problems to buy engine parts (we have lots of body parts because once in the past GM iran produced X-bodies)so because of these problems i must think correctly before buying any things from USA.I decided to buy electric fans for my 76 Skylark but some guys told me that the old fan works better but i think using electric fan provides well cooling and beside that the engine produces more power! i will be happy to have your ideas.


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Old 05-25-2012, 02:47 AM
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If the clutch fan works properly and still has the shroud as well as the rest of the cooling system in good shape then there's no need to change it.
Thermal clutch fans only engauge when engine temp demands they do.
Other than that they free wheel, which doesn't rob power from the engine.
Non Thermal clutch fans pretty much stay engauged which drains power, in every case where I had a vehicle with a non thermal clutch fan it was quickly swapped over to a thermal.
Electric fans can and do work well. Many don't believe they cause any loss in power but they do by the increased load they place on the charging system.
If you don't have a good factory clutch fan unit, then getting one from a parts store is almost impossible. I've checked countless units at parts stores and every last one of them didn't function correctly. So if you don't have the factory clutch unit, then by all means go electric. Just make sure you use a electric fan kit when you install it.
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Old 05-25-2012, 10:33 AM
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Thank you for sharing your knowledge.
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Old 05-25-2012, 10:38 AM
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I go electric but its really just a preference, its slightly better than a clutch but not enough to make a strong case for. One nice thing about them is they usually take much less room, freeing up the engine compartment.
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