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Re: [GMCnet] Oh, Sure, Another Fan Clutch [message #247092 is a reply to message #247054]

Fri, 11 April 2014 09:30

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma:

Senior Member

Mike,

Do you think this wind tunnel model accurately reflects the shape of a GMC?

http://www.gmcmhphotos.com/photos/the-bill-bryant-collection/p1621.html

Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426

-----Original Message-----
From: mike foster

The aerodynamic drag coefficient of the GMC was about .31 and until the Taurus/Sable were introduced had the lowest of any American
automotive product. As far as the weight? The ONLY time the fan is really cooling the engine is below about 40 mph or so. After that
enough air is being forced through the radiator you don't need it. It is at idle where you really need it. Precisely why it was
invented....to reduce fuel consumption on the highway when your engine is turning higher rpm.

Do you think for one minute that these things generate more heat than a 700 HP ZR-1 crammed into the Vette with all that EPA junk
that we don't have? What about a HUMVEE?

Electric fans, properly installed and sized work. But those two items might just be the reason some on here have had trouble with
them. Kind of like installing the evaporator lines from the fuel tanks to the liquid separator and putting the lines from the tanks
on the TOP instead of on the bottom where they belong, They go on the bottom (at least that is how the factory manual shows them) so
that any condensed fuel goes back to the tank and not to the line towards the canister where it can block the venting of the tanks.
So, until I have definitive proof that the people who claim all the trouble with EMF fans used the proper sized unit, installed it
correctly I have no reason to put any credibility in their claims.

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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[Message index]

		Oh, Sure, Another Fan Clutch By: George Beckman on Tue, 08 April 2014 11:30
		Re: Oh, Sure, Another Fan Clutch By: Luvn737s on Tue, 08 April 2014 15:44
		Re: Oh, Sure, Another Fan Clutch By: tphipps on Tue, 08 April 2014 15:51
		Re: Oh, Sure, Another Fan Clutch By: mikethebike on Tue, 08 April 2014 16:32
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Wed, 09 April 2014 02:46
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bruce Hart on Tue, 08 April 2014 18:23
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Tue, 08 April 2014 19:12
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Jim Bounds on Wed, 09 April 2014 11:03
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Tue, 08 April 2014 20:56
		Re: Oh, Sure, Another Fan Clutch By: A Hamilto on Tue, 08 April 2014 22:51
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Wed, 09 April 2014 19:27
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: sgltrac on Wed, 09 April 2014 19:46
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 19:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Ken Henderson on Wed, 09 April 2014 20:29
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bruce Hart on Wed, 09 April 2014 20:36
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 21:03
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: roy1 on Wed, 09 April 2014 20:42
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 21:05
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Dave Mumert on Wed, 09 April 2014 21:35
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: noi on Wed, 09 April 2014 23:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 09:50
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: A Hamilto on Thu, 10 April 2014 10:41
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 13:53
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: James Hupy on Thu, 10 April 2014 18:41
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 19:06
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Thu, 10 April 2014 19:50
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 07:28
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 09:18
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 17:47
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Fri, 11 April 2014 10:45
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 18:06
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 18:27
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Fri, 11 April 2014 23:09
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 23:20
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Sat, 12 April 2014 15:43
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 09:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jhbridges on Thu, 10 April 2014 13:49
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Thu, 10 April 2014 14:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: WD0AFQ on Thu, 10 April 2014 15:29
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Sammy Williams on Thu, 10 April 2014 16:08
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: habbyguy on Thu, 10 April 2014 16:26
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Thu, 10 April 2014 17:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: emerystora on Thu, 10 April 2014 17:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Thu, 10 April 2014 19:13
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: A Hamilto on Fri, 11 April 2014 15:13
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jhbridges on Thu, 10 April 2014 18:50
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 18:04
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jhbridges on Thu, 10 April 2014 19:09
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: jim kanomata on Wed, 16 April 2014 00:49
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: ljdavick on Wed, 16 April 2014 01:15
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 16 April 2014 13:40
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: ljdavick on Wed, 16 April 2014 13:46
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: k2gkk on Wed, 09 April 2014 20:00
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: ljdavick on Wed, 09 April 2014 20:04
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Wed, 09 April 2014 21:24
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Wed, 09 April 2014 21:47
		Re: Oh, Sure, Another Fan Clutch By: WD0AFQ on Thu, 10 April 2014 18:38
		Re: Oh, Sure, Another Fan Clutch By: mikethebike on Thu, 10 April 2014 19:26
		Re: Oh, Sure, Another Fan Clutch By: stick miller on Thu, 10 April 2014 19:33
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Thu, 10 April 2014 19:56
		Re: Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 07:32
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 09:08
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Al The HeatGuy on Fri, 11 April 2014 13:23
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 15:15
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Ken Burton on Fri, 11 April 2014 17:24
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: kelvin on Fri, 11 April 2014 17:28
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Al The HeatGuy on Fri, 11 April 2014 18:04
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Matt Colie on Sat, 12 April 2014 20:38
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Al The HeatGuy on Fri, 11 April 2014 17:52
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: mikethebike on Fri, 11 April 2014 17:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC_LES on Fri, 11 April 2014 18:56
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 18:25
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC_LES on Fri, 11 April 2014 19:23
		Re: Oh, Sure, Another Fan Clutch By: Dennis S on Fri, 11 April 2014 14:40
		Re: Oh, Sure, Another Fan Clutch By: Rick Williams on Fri, 11 April 2014 19:03
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Kingsley Coach on Fri, 11 April 2014 19:51
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Fri, 11 April 2014 19:55
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Sammy Williams on Fri, 11 April 2014 19:56
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Fri, 11 April 2014 20:35
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Sammy Williams on Fri, 11 April 2014 21:10
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: powerjon on Fri, 11 April 2014 23:03
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Sat, 12 April 2014 07:20
		Re: Oh, Sure, Another Fan Clutch By: noi on Fri, 11 April 2014 21:03
		Re: Oh, Sure, Another Fan Clutch By: noi on Fri, 11 April 2014 22:12
		Re: Oh, Sure, Another Fan Clutch By: roy1 on Fri, 11 April 2014 22:36
		Re: Oh, Sure, Another Fan Clutch By: WD0AFQ on Sat, 12 April 2014 08:37
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Sat, 12 April 2014 14:06
		Re: Oh, Sure, Another Fan Clutch By: WD0AFQ on Sat, 12 April 2014 15:13
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: k2gkk on Sat, 12 April 2014 15:37
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: habbyguy on Sat, 12 April 2014 19:54
		Re: Oh, Sure, Another Fan Clutch By: burtco99 on Sat, 12 April 2014 11:50
		Re: Oh, Sure, Another Fan Clutch By: winter on Sat, 12 April 2014 20:18
		Re: Oh, Sure, Another Fan Clutch By: habbyguy on Sat, 12 April 2014 20:32
		Re: Oh, Sure, Another Fan Clutch By: Don A on Sat, 12 April 2014 20:52
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: fitzmorrispr on Sat, 12 April 2014 22:59
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: burtco99 on Mon, 14 April 2014 13:06
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: A Hamilto on Mon, 14 April 2014 13:15
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: roy1 on Mon, 14 April 2014 14:31
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Mon, 14 April 2014 15:05
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Mon, 14 April 2014 15:27
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Mon, 14 April 2014 17:54
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: GMC.LES on Mon, 14 April 2014 18:29
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: shawnee on Mon, 14 April 2014 21:38
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: James Hupy on Mon, 14 April 2014 13:22
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Mon, 14 April 2014 20:08
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: burtco99 on Mon, 14 April 2014 21:52
		Re: Oh, Sure, Another Fan Clutch By: kerry pinkerton on Mon, 14 April 2014 18:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: James Hupy on Mon, 14 April 2014 18:38
		Re: Oh, Sure, Another Fan Clutch By: KB on Mon, 14 April 2014 19:52
		Re: Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Mon, 14 April 2014 20:09
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: sgltrac on Tue, 15 April 2014 17:14
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Bob de Kruyff on Tue, 15 April 2014 17:30
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: Ken Henderson on Tue, 15 April 2014 18:38
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: USAussie on Wed, 16 April 2014 00:05
		Re: [GMCnet] Oh, Sure, Another Fan Clutch By: sgltrac on Sun, 20 April 2014 16:39
		Re: Oh, Sure, Another Fan Clutch By: JohnL455 on Mon, 14 April 2014 21:45

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