clutch fan or electric fans? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 13 (permalink) Old 03-26-2009, 02:45 PM Thread Starter
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clutch fan or electric fans?

hey guys, has anyone removed thier stock clutch fan replaced w/ electric fans? i have two 16" electric fans i picked up, each pulls about 2600 cfm, and i plan on installing them in my 04 6.0 pretty soon, for better fuel milage and more hp.
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post #2 of 13 (permalink) Old 03-26-2009, 05:40 PM
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Re: clutch fan or electric fans?

From everything Ive read it hasnt really helped people with power or mpg by going to the electric fans. Also it will overheat if you tow after switching to the electric fans.

With a properly working fan clutch on manual fans you shouldnt loose any power when the trucks not being worked hard or in really high temps. Also when it is being worked hard or in high temps those electrics are not going to be able to move enough air to come even remotely close to the cfm the stock fan was able to make.

I know its a popular mod on cars and such but just doesnt pan out on these trucks.

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post #3 of 13 (permalink) Old 03-26-2009, 06:36 PM
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Re: clutch fan or electric fans?

I can't say that I know if it will help mileage, but even towing my enclosed auto haulers with my bus, which also had a 203* thermostat, I can't ever recall ever having the fan engage even going up hill through the mountains.

Dave
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post #4 of 13 (permalink) Old 03-26-2009, 10:10 PM Thread Starter
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Re: clutch fan or electric fans?

so what your saying is if it aint broke dont fix it.
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post #5 of 13 (permalink) Old 03-26-2009, 10:18 PM
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Re: clutch fan or electric fans?

Pretty much. Also your probably going backwards with the electric fans

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post #6 of 13 (permalink) Old 03-29-2009, 09:03 AM
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Re: clutch fan or electric fans?

The few times I heard my fans kick on was on 120 degree days here in the desert. That is also with the 203 t stat. I would stay away from the electric as well. More parts that can just go bad.

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post #7 of 13 (permalink) Old 04-01-2009, 04:10 PM
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Re: clutch fan or electric fans?

The stock fans draw a lot of power and hence mpg.

On an 8.3 Liter Cummins, the Cummins rep told me in class that it pulls something like 45 hp and hence significant fuel so to always let the computer control it and never run it extra to try and keep the motor extra cool.

I would guess that an old school 7.3 fan pulls at least 15-25 hp.

BUT, electic fans simply can NOT shove even close to the amount of air thru the radiator that a standard fan can.

BUT, you probably only need that much air when you are towing heavy, uphill, in the hot desert. Or maybe stuck in lots of traffic.

There is also an arguement that the fan draws cool air thru the CAC adding hp back.

Also, air flow is important for cold AC and tranny temps.

In short, if you do NOT tow, I think it's a good decision to remove your fan for the winter months and that's about all. That is what I intend to do next winter myself.

I'm officially...Stroke-less.
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post #8 of 13 (permalink) Old 04-01-2009, 11:02 PM
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Re: clutch fan or electric fans?

Everybody I know who has tried electric fans has problems with overheating in traffic. Remember, these babies have three heat exchangers to force air through.

Every clutch fan I've ever seen squeals like a stuck pig.

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post #9 of 13 (permalink) Old 04-02-2009, 03:26 AM Thread Starter
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Re: clutch fan or electric fans?

i picked up 4 16" fans and i was going to do both mine and my wifes trucks. maybe ill do just one to see how well things go. it wont be for about another month, i have to finish the 100 gal biodiesel processor im building first. ill let everyone know.
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post #10 of 13 (permalink) Old 04-02-2009, 05:03 AM
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Re: clutch fan or electric fans?

I wouldn't bother. I've heard a few guys on this site and another say that they Ran without fans and didn't see a change in mileage, power or temps. That would suggest that the Fan doesn't come on except in more extreme conditions, like heavy towing or traffic on hot days.

Dan
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