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Elec cooling fan question

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Old 06-30-2011, 06:04 AM
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Default Elec cooling fan question

im doing a fan elec fan swap just want to make sure its gonna be enough its rated at 3600 cfm when all three are on ac fan is 1250 alone and the two others are 2350 thats taking place of the mech fan thanks
Old 06-30-2011, 08:06 AM
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Just replaced my mechanical fan with a 2500cfm electric fan. The OEM electric fan is unchanged, so total cfm around ~3500 cfm if the 01 electric fan is ~1000.

So far I am happy with the setup. I will have to add some insulating foam to the rough edges of the hack job fan shroud, but even without I am steady at 210-215 with the A/C running full blast in 98* weather. Still want to flush and acid wash the cooling system.

Biggest PITA was taking off the mechanical fan bracket and pounding out the clutch fan bearing. Took me about 3 hours of heating, pb blaster, and a big hammer to get that thing out. You may/may not have to do it to clear the extra space for the electric fan motor.

Also measure several times with a string to get a perfect size on the new belt routing. I was lazy about that and ended up having to swap belts at Autozone about 6 times. Ended up with a Duralast 800k6 (2032mm).
Old 06-30-2011, 09:02 AM
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I just used an angle grinder and cut through it in about 2 minutes
Old 06-30-2011, 11:57 AM
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nice thanks! im thinking im just gonna keep the pully on and take the studs out and use bolts
Old 06-30-2011, 02:18 PM
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Originally Posted by dubbydoo
nice thanks! im thinking im just gonna keep the pully on and take the studs out and use bolts
That was my plan as well. However, the 3.5" deep fan motor bumped up against the bearing tip, and the motor may move 1-2 inches during operation. Just keep an eye on it.


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Old 06-30-2011, 02:19 PM
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Originally Posted by ericfx1984
I just used an angle grinder and cut through it in about 2 minutes
^^^

That's the smart and quick way of doing it.



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