Fw: [Chevelle-List] Yet another question: Electric Fan set up versus Clutch Fan set up

Wed, 29 Jan 2003 07:37:53 -0800

Sorry guys, the first time I sent this out it had a small picture on it.  I guess the server didn't like that.  I'm reposting the info about my fans:  Again you can see them at:  http://www.dscf.org/temp/71/fan1.jpg  and http://www.dscf.org/temp/71/fan2.jpg
 
 

I went with the dual setup from Derale  PN: 16928 and a new 4-row rad.   I copied and pasted the specs from the website (www.derale.com).  Summit sells these Derale fans.  Just do a search on their website for the part number.  These fans work great so far, but the real test will be summer and we haven't got there yet.  I think 80 deg. is the hottest it's been so far. 
 
 
 
 
   "RAD" Dual Fans

  • Two 13" diameter high output fans
  • Dual 265 watt motors
  • 4,000 CFM
  • Two widths to fit most radiators
  • Cools the toughtest applications
  • Puller only
      Part No. 16934 34" width
      Part No. 16928 28" width
Fan Specifications
Part No. Width Height Thickness at motor Thickness at edge RPM CFM Amp Draw
16934 31.75" 15.76" 3.19" 3.15" 1670 4000 50.0
16928 28.25" 13.82" 3.19" 3.15" 1670 4000 50.0
 
 
 
Rodney.
71 Chevelle
El Mirage, AZ
 
 
----- Original Message -----
From: Bill Bruyn
Sent: Tuesday, January 28, 2003 12:03 PM
Subject: Re: [Chevelle-List] Yet another question: Electric Fan set up versus Clutch Fan set up

I'm going through this right now on my 67.  Here's what I decided.
 
A quality electric fan will not be outperformed by any mechanical fan at idle / low RPMs, and that's where we run into trouble, in my experience.  The Spals are good units, but I don't think that dual 11" setup is going to work for you - you need a 31 inch radiator in order to mount it.  I'm going with a single 16" puller, myself.
 
You may need to upgrade electrical components.  I intend to do so anyway, and am still researching...
 
Enjoy,
 
Bill
----- Original Message -----
Sent: Tuesday, January 28, 2003 8:32 AM
Subject: [Chevelle-List] Yet another question: Electric Fan set up versus Clutch Fan set up

Regarding my 67 Chevelle Malibu, I am deciding to upgrade the radiator to a crossflow aluminum radiator. I can also go with either the traditional clutch fan set up or have two spall 11 inch fans incorporated into the radiator (along with a built in trans cooler).

My question is what set up do you prefer, i.e., the clutch fan set up or the electric fan set up. And, have you noticed most modern cars have gone electric ?

Your opinions sought. Thanks,

Ken McDee

P.S. Car will not be raced. A cruiser/driver.

 


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