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Author
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Topic: Adding an electric fan
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 07-24-2003 08:21 AM
 
I have a spare 10" or 12" electric fan and plan on putting it on my car for a short beach trip. I need it to help keep my car cool while I'm sitting in beach traffic. My question is, which way should it blow? I thought you were supposed to make it blow towards the engine, but some people say it needs to pull air out (which would be fighting the engine driven fan in there now); what do you think?
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'67 coupe: 289 bored .030 over, c-4 tranny
Holley 600 carb, edelbrock performer intake, hooker comp headers, dual flowmaster exhuast
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V8 Thumper
Gearhead Posts: 4777
From: Phoenix, Arizona
Registered: Dec 2001
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posted 07-24-2003 09:06 AM
Are you running a shroud now? That would probably cool your motor more effeciently if you're not. If you do mount an 'auxilary' 12v. fan in front, it does need to 'push' in the same direction as the mechanical fan  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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mvierow
Gearhead Posts: 209
From: Bay Area, Ca
Registered: Apr 2001
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posted 07-24-2003 12:19 PM
Well, if your trying to cool your car off, and not the people standing in front of it, I would suggest you make sure it blows toward the engine. The people who told you that it should go the other way were probably giving you some bs just for asking. I won't bother asking them any more questions..
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Fastback68
Gearhead Posts: 4511
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 11-17-2003 06:57 AM
I think your friends are referring to the different way fans are set up in cars. Some fans are mounted in front of the radiator, and blow air through the radiator. Other fans are mounted behind the radiator and suck through. If you put a sucking fan in front of the radiator, it will suck air out the front of the car, which is inefficient since it will be fighting against the air coming at you as you drive.
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N266fords
Gearhead Posts: 1662
From: Sierra Vista ,Az USA
Registered: Apr 2003
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posted 11-17-2003 12:24 PM
Also dont forget to wire in a relay to run that fan. Bruce
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CHIPSBAD67
Gearhead Posts: 396
From: LOU,KY;USA
Registered: Sep 2003
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posted 11-17-2003 05:56 PM
dont get your stat/relay from pep boys. ive been through several with my car and friends cars. i dont know who makes a good one, i just know pep boys doesnt have a good one. ------------------
306, 4speed, 4.11's....best 1/8 mile 7.58 at 92mph with 1.72 60ft. PUMP GAS/NO ADDERS/STREET TIRES
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Greg Pettit
Gearhead Posts: 162
From: Denton, TX
Registered: Nov 2001
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posted 11-17-2003 06:41 PM
Any good electronics store will carry the 20/30A Bosch relays. These are water resistant and I've never had one fail.I'm using one on my starter solenoid and the other to run my start retard. Best part is they're only a couple of bucks each! Greg
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Dubz
Gearhead Posts: 2005
From: Manitoba Canada
Registered: Oct 2002
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posted 11-17-2003 09:13 PM
does anyone have a link for a "how to" for wiring an electric fan?
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N266fords
Gearhead Posts: 1662
From: Sierra Vista ,Az USA
Registered: Apr 2003
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posted 11-17-2003 09:15 PM
http://www.s-seriesforum.com/how-to-efan.html
here you go
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Dubz
Gearhead Posts: 2005
From: Manitoba Canada
Registered: Oct 2002
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posted 11-17-2003 11:36 PM
Wonderful, thank you
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