<VV> Overcooling (was: LM turbos and no lower shrouds)

Tue Oct 25 20:16:29 EDT 2011

Super charged and turbo charged!  Because they are cool and fun and 
sound cool and scare you to death at legal speeds.  Because they are 
historic, interesting, different, leading edge engineering, 
inexpensive, and did I say fun!? E

At 04:57 PM 10/25/2011, jvhroberts at aol.com wrote:
>I think we found the problem. The driver!! Why on EARTH would you 
>have a turbocharged Corvair and NOT have some serious fun with it?
>
>John Roberts
>
>
>-----Original Message-----
>From: Eric S. Eberhard <flash at vicsmba.com>
>To: virtualvairs <virtualvairs at corvair.org>
>Sent: Tue, Oct 25, 2011 4:09 pm
>Subject: <VV> Overcooling (was: LM turbos and no lower shrouds)
>
>
>My definition of overcooled I forgot -- running consistently with oil
>temps under 220.  This is important in many ways because oil is
>affected by temps such that if too low it sludges and blocks oil
>passages and gums up rockers and ... which is why a car with all city
>miles where it may never get to 220 is not so good as a car with
>highway miles.  I drive 9 miles to work, leisurely, and it barely
>gets to 220 ... so I usually go the long way every so often just to
>heat it up. E
>
>I use stock instruments which are not as accurate as one would like,
>or consistent between cars.  Change the thermister on a Spyder ...
>and it'll run 50 degrees hotter or cooler.  So I generally go for "is
>this car acting normal."  Having said that, I have often used a
>really cool instrument that is fairly exact -- it is like a pistol
>and you aim it at things and it gives you the temps.  The oil filter
>is much different than the oil pan.  Enough so that my A/C car which
>was really off, I installed an aluminum pan (better).  The person who
>taught me that trick (and owns the gauge) is an old Corvair mechanic
>in the Verde Valley.  After rebuilding my sedan he used that all over
>the place until he was happy.  To some degree consistency was more
>important than the actual numbers.  And, of course, there probably is
>a difference between oil temps at the idiot light versus the pan and
>oil filter (those two are wildly different at times), on the cooler, etc.  E
>
>At 11:36 AM 10/25/2011, you wrote:
> >Message: 2
> >Date: Tue, 25 Oct 2011 14:33:02 -0400 (EDT)
> >From: <mailto:jvhroberts at aol.com>jvhroberts at aol.com
> >Subject: Re: <VV> Overcooling (was: LM turbos and no lower shrouds)
> >To: <mailto:Vairtec at optonline.net>Vairtec at optonline.net, 
> <mailto:virtualvairs at corvair.org>virtualvairs at corvair.org
> >Message-ID: 
> <<mailto:8CE615BA9C5F774-5F0-58B92 at webmail-m098.sysops.aol.com>8CE615BA9C5F774-5F0-58B92 at webmail-m098.sysops.aol.com>
> >Content-Type: text/plain; charset="us-ascii"
> >
> >
> >  Define operating temperature, and how did you measure it?
> >
> >This is where I get the most grief, trying to get accurate data!
> >When I was debugging the cooling on my Mazda 13B powered boat, I got
> >all kinds of 'advise' from others who tried, like, they couldn't get
> >an oil cooler that worked very well, etc.. Adding a decent
> >instrument helps a lot. I bought a Fluke two channel digital
> >thermometer and a pair of Type K thermocouples, and that answered a
> >LOT of questions. Meaning, often, factory gages aren't worth SQUAT!
> >Turned out my oil cooler setup worked fine, and a couple of guys who
> >duplicated said it never worked right AT ALL, until I lent them this
> >thing, and gee, it's amazing what you learn when you measure stuff 
> accurately!
> >
> >So, I ask, how do you know it was overcooled?
> >
> >
> >
> >John Roberts
>
>
>Eric S. Eberhard
>(928) 567-3727          Voice
>(928) 567-6122          Fax
>(928) 301-7537                           Cell
>
>Vertical Integrated Computer Systems, LLC
>Metropolis Support, LLC
>
>For Metropolis support and VICS MBA 
>Support!!!!    <http://www.vicsmba.com>http://www.vicsmba.com
>
>For 
>pictures: 
><http://www.vicsmba.com/ourpics/index.html>http://www.vicsmba.com/ourpics/index.html
>
>(You can see why we love this state :-) )
>
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>  _______________________________________________

Eric S. Eberhard
(928) 567-3727          Voice
(928) 567-6122          Fax
(928) 301-7537                           Cell

Vertical Integrated Computer Systems, LLC
Metropolis Support, LLC

For Metropolis support and VICS MBA Support!!!!    http://www.vicsmba.com

For pictures:  http://www.vicsmba.com/ourpics/index.html

(You can see why we love this state :-) )  