<VV> Engine compartment heat

Ron ronh at owt.com
Tue Apr 10 14:54:56 EDT 2012


It's not at all hard to prove!  Just do as I did and open the engine 
compartment doors on an Ultra Van while going up a mountain grade in the 
summer time.  Everything above the shroud was comfortable to the touch (But 
avoid the belt!).  It could've been melting under the shroud but it was cool 
above it where the gas lines, carburetors, distributor and alternator are. 
That was proof enough for me.
RonH

----- Original Message ----- 
From: <ricebugg at comcast.net>
To: <virtualvairs at corvair.org>
Sent: Tuesday, April 10, 2012 7:28 AM
Subject: <VV> Engine compartment heat


> Ron:  Maybe, but it would be really hard to prove or disprove.
>
> I know my example is probably an extreem case with the turbo and all.  In 
> my experiment, I stopped in a small town after about half an hour, shut it 
> off and opened the deck lid.  Probably less than a minute, and it was that 
> hot.  I had marked it up before leaving home.
>
> The question was the affect of heat on the internal regulator.  Which is a 
> unknown, and the subject of this discussion.  Once the engine is no longer 
> running, is the internal regulator, which we assume is realitively cool 
> when running, immune to he affect of heat sink-ness?   I suspect not.
>
> Like I said, my experiement was/is probably an extreme case, but it has 
> some value for this discussion about engine compartment heat.  My car had 
> the stock external regulator.
>
> Rather than fully open the engine lid at shut down, I make mayself a small 
> metal support to leave the lid open after shut down on really hot days, 
> just to speed up the cooling process and reduce the heat sink time on the 
> various components, including the now stagnet oil in and to the turbo. 
> And yes, I did remove the support on start up because I knew then and know 
> now driving with it open about a inch or so would suck hot air into the 
> engine compartment.
>
> Your temperatures may vary
>
> Historically Yours,
> James
>
> ----- Original Message -----
> From: Ron <ronh at owt.com>
> To: ricebugg at comcast.net, virtualvairs at corvair.org
> Sent: Tue, 10 Apr 2012 04:17:01 -0000 (UTC)
> Subject: Re: <VV> Engine compartment heat
>
> BUT, while running and even while climbing mountain grades the engine
> compartment stays cool!  You can always open the engine lid after parking.
> RonH
>
> ----- Original Message ----- 
> From:
> To:
> Sent: Monday, April 09, 2012 8:34 PM
> Subject: Engine compartment heat
>
>
>> While I'm not sure what the potential contamination is of hogwash, or the
>> tempature tolerance of internal regulated alternators, I can offer this
>> observation on the engine compartment temp.
>>
>> Once upon a time, I had a turbo charged 140. I got curious about how hot
>> it got on shutdown.  Since I had access to tempature sticks at work - 
>> they
>> looked like caryons for 2 yr olds - I borrowed a set one hot Friday in
>> July.  It was 94 deg. F on Sat, and I used the sticks liberally in the
>> engine compartment.   I saw temps approaching 300 deg F on the sheet 
>> metal
>> minutes after shut down.  Made me wish I had a Stinger deck lid to let 
>> the
>> hot air out at shutdowm.
>>
>> Skin starts to burn at 126 deg F,   If you cannot touch it for long, it 
>> is
>> hot enough to burn you pinkies.
>>
>> Your temps may vary.
>>
>> Historically Yours,
>> James Rice
>>
>> Message: 4
>> Date: Mon, 9 Apr 2012 21:14:31 -0400 (EDT)
>> From: N2VZD at aol.com
>> Subject: Re: INTERNAL regulated alternators
>> To: virtualvairs at corvair.org
>>
>> hogwash, I have thousands of miles on several of my own and others with 
>> no
>> failures. FC's mostly , but on spyders also..
>> I am running them on 4 vehicles of my own , and several others I have
>> converted around here.
>> They are also excellent on farm equipment and  boats.  I feel they are
>> very failsafe.
>>
>> In a message dated 4/9/2012 8:28:17 P.M. Eastern Daylight Time,
>> virtualvairs-request at corvair.org writes:but I've  heard (not experienced)
>> that the
>> internally regulated ones don't seem to  hold up as well in our hot
>> (Corvair) engine compartments.
>> Regards, Tim Colson
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