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Re: [GMCnet] Bought that new electric clutch for the engine fan. [message #324355 is a reply to message #324354]

Mon, 25 September 2017 15:47

Richard Denney

Messages: 920
Registered: April 2010

Karma:

Senior Member

My fan engages coming off the tops of steep climbs when I'm still at
highway speed. The coolant temperature will work its way up to about
195-205, and the fan will kick in, dropping it back down to 180 (the
thermostat rating) in 20 or 30 seconds (yes, the stock fan is that
effective). Before anyone asks, my cooling system is tip-top, including an
aluminum radiator and a good mechanical gauge.

We've had extended discussions about airflow through the engine
compartment, and whether ducting of various types would help, but that's
how it is with my stock arrangement. And it happens even when we aren't
running the AC.

Rick "noting this is the primary control on the upper temperature boundary"
Denney

On Mon, Sep 25, 2017 at 3:30 PM John Phillips
wrote:

> Am I missing something? Do we really need a fan at 2600 RPM? I am of the
> opinion that the fan does little if your airspeed is 30+ MPH the fan is not
> doing much for you. It is when you have been working hard and slow down or
> stop that you need a more air flow. When you are stuck in traffic are you
> running your engine at 2600 RPM? I let my RPM drop to 1000 or less. Have
> the electric fans been investigated? I think there are some that would run
> 4000 CFM. Is 4000 CFM enough to keep things cool at low speed?
>
>
> On Mon, Sep 25, 2017 at 10:05 AM, Donald W. Guttman
> wrote:
>
>> Does anyone know what the CFM output of the MB fan is engaged at 2600
> rpm?
>> --
>> 1977 Palm Beach
>> TZE167V100274
>>
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>
>
>
> --
>
> *John Phillips*
>
> *1974 26*
>
> *Sacramento CA*
> _______________________________________________
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>
--
Rick Denney
73 x-Glacier 230 "Jaws"
Off-list email to rick at rickdenney dot com
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[Message index]

		[GMCnet] Bought that new electric clutch for the engine fan. By: Thomas Pryor on Sun, 24 September 2017 16:11
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jknezek on Sun, 24 September 2017 18:44
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Matt Colie on Mon, 25 September 2017 08:30
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: KB on Mon, 25 September 2017 10:28
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: KB on Sat, 07 October 2017 20:45
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jhbridges on Mon, 25 September 2017 08:35
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: JohnL455 on Mon, 25 September 2017 08:50
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: SpookyEng on Mon, 25 September 2017 11:15
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: drdonaldg on Mon, 25 September 2017 12:05
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: johnd01 on Mon, 25 September 2017 14:29
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Richard Denney on Mon, 25 September 2017 15:47
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Justin Brady on Mon, 25 September 2017 16:25
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Justin Brady on Mon, 25 September 2017 16:27
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Matt Colie on Mon, 25 September 2017 19:22
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: johnd01 on Tue, 26 September 2017 04:16
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Richard Denney on Tue, 26 September 2017 05:45
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Justin Brady on Tue, 26 September 2017 07:41
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Jp Benson on Tue, 26 September 2017 08:04
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jknezek on Tue, 26 September 2017 08:41
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Thomas Pryor on Thu, 26 October 2017 22:35
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: powerjon on Thu, 26 October 2017 23:02
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: powerjon on Thu, 26 October 2017 22:59
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: bdub on Fri, 27 October 2017 09:23
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Thomas Pryor on Fri, 27 October 2017 09:39
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Thomas Pryor on Fri, 27 October 2017 09:44
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jhbridges on Tue, 26 September 2017 09:05
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jhbridges on Tue, 26 September 2017 09:10
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: JohnL455 on Sun, 08 October 2017 08:40
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Ray Erspamer on Mon, 23 October 2017 18:40
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Jim Wagner on Wed, 25 October 2017 20:37
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: bdub on Wed, 25 October 2017 21:28
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jimk on Wed, 25 October 2017 22:47
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: johnd01 on Thu, 26 October 2017 02:44
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: bdub on Thu, 26 October 2017 07:24
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: KB on Sat, 28 October 2017 16:09
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: Bill Van Vlack on Fri, 23 March 2018 13:11
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jhbridges on Fri, 23 March 2018 16:33
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jhbridges on Thu, 26 October 2017 08:52
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jimk on Thu, 26 October 2017 18:11
		Re: [GMCnet] Bought that new electric clutch for the engine fan. By: jhbridges on Fri, 27 October 2017 08:17

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