<VV> Re: VirtualVairs Digest, Vol 31, Issue 7

[Ron]

The manifolds won't be radiating, they will be convecting and the heated air 
will rise up through the engine and into the engine compartment.
RonH

----- Original Message ----- 
From: "Tony Underwood" <tonyu at roava.net>
To: <virtualvairs at corvair.org>
Sent: Friday, August 03, 2007 3:14 PM
Subject: Re: <VV> Re: VirtualVairs Digest, Vol 31, Issue 7


> At 10:49 PM 8/2/2007, Roger Gault wrote:
>>Tony,
>>I wondered about the logs heating the heads too.  In particular, I 
>>wondered
>>if that was the reason the left side thermistor reads higher (under the
>>log).  So, I insulated the area between the logs and the heads with 
>>multiple
>>layers of aluminum foil to block any radiation.  I was shocked to find 
>>that
>>I couldn't see any difference in the thermistor reading (actually, a
>>thermocouple mounted on a bolt in that position).
>>
>>I still think the logs should heat the heads, since they're probably 
>>running
>>somewhere above 1000F at highway speeds, but I don't know how to explain
>>away my experimental results.
>
>
> As long as the fan is blowing air through the heads, it's likely the 
> manifolds won't contribute much.   But when you shut down the engine and 
> it sits there with the hot manifolds radiating, the heat soak begins.
>
>
> It's as good a reason to look at headers as any other.
>
>
>
> tony..
> _______________________________________________
> This message was sent by the VirtualVairs mailing list, all copyrights are 
> the property
> of the writer, please attribute properly. For help, 
> mailto:vv-help at corvair.org
> This list sponsored by the Corvair Society of America, 
> http://www.corvair.org/
> Post messages to: VirtualVairs at corvair.org
> Change your options: 
> http://www.vv.corvair.org/mailman/options/virtualvairs 
> _______________________________________________
>