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Cooling Discuss all of the aspects of cooling that you can think of! Radiators, transmissions, electric fans, etc.

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Old 10-11-2009, 09:52 PM   #1
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Recomended fan CFM for 305 ASAP!!

what CFM eletric fan should i get for a 305 TBI, mildly modded, w/ an all aluminum rad

should a 16" 2500 CFM do

my current fan took a dump and plus i figured out it was not what it was suspose to be

anyway i need to order one like yesterday so fast help would be nice

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Old 10-12-2009, 01:46 AM   #2
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Re: Recomended fan CFM for 305 ASAP!!

if it does actually pull 2500 cfm(ratings of many after-
market fans tend to be exagerated),it should do
the job,i recon the stock single pulls about 2500 cfm.
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Old 10-12-2009, 03:04 AM   #3
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Re: Recomended fan CFM for 305 ASAP!!

here's what i have:
http://ffdynamics.com/FFD3600B.html

i have it hooked up to a Flex-a-lite variable speed controller. i highly recommend it- very good quality. it works great and pulls a lot of air. this fan, an in-tact air dam, and a 180* stat and not even close to overheating- even on a scorching hot summer day
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Old 06-16-2010, 07:48 PM   #4
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Re: Recomended fan CFM for 305 ASAP!!

how did you mount that ffd, will it fit on a 91' 305 TBI camaro
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Old 06-17-2010, 03:19 AM   #5
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Re: Recomended fan CFM for 305 ASAP!!

Not quite certain if the 16 7/8ths fits, but turn it around 90 degrees and it´s only 15 7/8ths high which certainly fits in a stock TBI

Anything actually pulling 2500 CFM will do. I replaced my original fan with a 2000 CFM model and it does pull more air then the stock one. I have heard several people on this forum state the original fan pulls something between 1200 and 1500 CFM.

Since my fan gave up shortly after I purchased the car I have no means of confirming this.

Last edited by the solitaire; 06-17-2010 at 03:22 AM.
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Old 06-17-2010, 03:19 AM
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