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Author
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Topic: electric fan or flex fan
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droogys68
Journeyman Posts: 69
From: kit.,ontario,canada
Registered: Jun 2001
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posted 03-04-2004 11:28 AM
   
as of now i have a flex fan and the poor thing overheats no problem. i've been calling around and talked to a guy about an electric fan. he says that i could reverse it and keep the flex. my question to anyone is will this work or is he just trying to sell me the electric fan( which has it's own shroud). i lost mine through overflexing the flex fan. is it better to have the electric fan push or pull? keep them both or one? can they be used together? i'd just get another shroud, but they aren't cheap and i'm not sure what size to use with the flex fan. it's a new 3 core rad, new water pump(uck that was a hassle to find), 20x17( is rad measurement) it's a 68 coupe, new hoses, coolant, thermostat. i think the electric on the outside to push the air would look corny. any other thoughts on the situation?
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Moneymaker
Administrator Posts: 26242
From: Lyons, IL, USA
Registered: May 99
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posted 03-04-2004 11:29 AM
It will work.
One question?
What is the distance between your radiator and flex fan now?------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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droogys68
Journeyman Posts: 69
From: kit.,ontario,canada
Registered: Jun 2001
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posted 03-04-2004 11:52 AM
it's bout 2 inches no more though. what will work? both?
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Fastback68
Gearhead Posts: 3170
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 03-04-2004 11:54 AM
quote:
i think the electric on the outside to push the air would look corny. any other thoughts on the situation?
I don't see how it could look corny. It's a highly functional piece of equipment. Also, no one will see it anyway  I have two electric fans pushing, and a clutch fan with shroud for pulling.
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Moneymaker
Administrator Posts: 26242
From: Lyons, IL, USA
Registered: May 99
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posted 03-04-2004 11:59 AM
Well, that's part of your problem. 
You need to get that fan as close to the radiator as possible for it to work.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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droogys68
Journeyman Posts: 69
From: kit.,ontario,canada
Registered: Jun 2001
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posted 03-04-2004 12:11 PM
is 2 little fans better than 1 big one? 2 inch would be farthest( my car is in storage for a couple more weeks)it's 2 hours away.not corny but you'd see it no problem wouldn't ya?
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460-67Stang
Gearhead Posts: 289
From: Southern Ohio, USA
Registered: Feb 2001
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posted 03-04-2004 02:48 PM
quote:
Originally posted by droogys68:
as of now i have a flex fan and the poor thing overheats no problem.
I have a '67 coupe with a 460 and am running a 7 blade Ford big block fan without a shroud. It overheats quickly. Are you running a shroud? quote:
I?ve been calling around and talked to a guy about an electric fan. he says that i could reverse it and keep the flex. my question to anyone is will this work or is he just trying to sell me the electric fan( which has it's own shroud).
I'd lose the flex fan and run a high cfm electric on the motor side. If that doesn't work you can add a pusher in front (but I personally don't like the look). quote:
is it better to have the electric fan push or pull? keep them both or one? can they be used together?
Pull. Try one first then go to two if necessary. yes. quote:
I think the electric on the outside to push the air would look corny.
Agreed.What temp tstat are you running? I made the mistake of running a 160 at first. It didn't allow the coolant enough time to stay in the radiator and cool down. A 180 works best. Also, I am currently switching from the 7 blade Ford fan mentioned above to two 12" Perma Cool high CFM puller fans using a homemade shroud. One fan will be controlled by a variable speed controller and the other by a 185 degree temp switch. The Perma Cool #19008 fan is a 12" fan that pulls 1650 CFM. That's the highest CFM rating I found in a 12". See it at: http://www.perma-cool.com/Catalog/Cat_page16.html I can send you a pic of my new setup if you like. It might give you some ideas.
Cheers,
Brian
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"My lug nuts require more torque than your Honda makes"[p]472ci in a '67 Coupe, 4 wheel disc, 2 much fun
www.472ci-67mustang.com
---------->>>>> Got Displacement? <<<<<------------
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droogys68
Journeyman Posts: 69
From: kit.,ontario,canada
Registered: Jun 2001
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posted 03-04-2004 10:47 PM
how bout a 16" pulling 2350 cfm, for 175 CANADIAN? a buddy says that if this don't work, it's time to rethink bout doing the whole front end and go big!!!!!i'm also running a 180 temp.
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alanq64
Gearhead Posts: 174
From: missouri
Registered: Feb 2004
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posted 03-05-2004 03:51 PM
The bad thing about flex fans is that they flatten out at high rpms. IMO the best would be a staggered 6 blade aftermarket fan.
http://store.summitracing.com/default.asp?target=search.asp&type= bykeyword&searchtype=both&part=fan&x=20&y=12
part number SUM-G4917This is the type that I'll be using. I'm also using a fan clutch. Also, some type of shroud would help out a lot. 2 edits in 1 day are not good. 
------------------
68 coupe
302 w/C4
PS & AC
*update*
I'm getting the parts together for a T5 swap. [This message has been edited by alanq64 (edited 03-05-2004).]
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mustangs68
Moderator Posts: 22551
From: Buckroe Beach Va MCA#39406 M&M #12 Member Mustang Club of Tidewater
Registered: May 99
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posted 03-05-2004 07:13 PM
460-67Stang...Are you running a shroud?...,If not suggest getting one.
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460-67Stang
Gearhead Posts: 289
From: Southern Ohio, USA
Registered: Feb 2001
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posted 03-08-2004 09:18 AM
I could not find a shroud to fit my clutch fan. I'm in the process of changing to two 12" electrics with a shroud. I can post a pic later this evening.Brian
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alanq64
Gearhead Posts: 174
From: missouri
Registered: Feb 2004
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posted 03-08-2004 09:27 AM
I know that this may sound odd, but the electric fan from a late 90's tauras, tuarus, ta... (?) pulls a lot of cfm and has two speeds. It's the one recommended when doing a V8 swap into an S10. If the chevy guys are recommending a ford part it must work pretty good.  ------------------
68 coupe
302 w/C4
PS & AC
*update*
I'm getting the parts together for a T5 swap.
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cobraii351
Journeyman Posts: 68
From: Altoona, PA
Registered: Jun 2000
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posted 03-08-2004 12:50 PM
The Taurus fan really SUCKS! or BLOWS depending on which side you are standing. I have this fan on installed on my car now with no problems. Just be sure to get a good (read: NO $3 Autozone special)Heavy duty relay and some type of temperature switch and you're set. Tim ------------------
76 Cobra II
351W powered
C90x "shelby" intake
Ported D0OE heads
Holley 600
http://webpages.charter.net/cobraii351/
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