| Re: [GMCnet] Bought that new electric clutch for the engine fan. [message #324393 is a reply to message #324382] |
Tue, 26 September 2017 11:44   |
Sandra Price
Messages: 709
Registered: May 2006
Karma:
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Senior Member |
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Matt, maybe I missed something. What type of new fan do you have?
Bob Price
On Sep 26, 2017 8:34 AM, "Matt Colie" wrote:
> USAussie wrote on Tue, 26 September 2017 08:12
>> Wally,
>>
>> Double trouble has an aluminum radiator in it and I don't understand how
> it does it but it runs BELOW the thermostat setting on cold
>> days at low speeds!
>>
>> Regards,
>> Rob M.
>
> Rob,
>
> I think I know.
>
> When I had that wrong - runs too much - fan clutch, my engine rarely got
> to 195. I though it was the OE instrument's error, but the Digipanel (once
> installed) agreed. I was a bit confused until I remembered doing heat
> balances on several different engines. These in test cells and there were
> flow
> meters and thremocouples everywhere and a massive data-ack to accumulate a
> S-pot of data. At less than a sustained WOT, a large portion of the
> cooling was actually done by the lube oil....
>
> Our lube oil is cooled in a radiator that is out in the cold. It could
> easily be dissipating the majority of the rejected heat and the airflow over
> the engine could do most of the rest. This would explain why my new fan
> that is only running when it should finally allows the engine to get to
> operating temperatures.
>
> Matt
> --
> Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
> Electronically Controlled Quiet Engine Cooling Fan
> OE Rear Drum Brakes with Applied Control Arms
> SE Michigan - Twixt A2 and Detroit
>
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