<VV>Fan HP

[Roger Gault]

Because the heater and defroster are COMPLETELY non-functional with the
shrouds removed.  Here is sunny Austin, I run all summer with them off and
put them on the first time it gets chilly.

And, some would say, because the slower warm-up is bad for the engine.  I
discount the second one, myself, because my engine is plenty warm in a
couple of miles.

Roger

----- Original Message ----- 
From: "Stephen Upham" <contactsmu at sbcglobal.net>
To: <virtualvairs at corvair.org>
Sent: Sunday, June 26, 2005 3:56 PM
Subject: Re: <VV>Fan HP


> If the engine runs cooler without the lower shrouds, then why did the
> Gen. install them on every car.  I'm not trying to be a horse's patute,
> I really want to know what the down side (if any) might be of running
> an engine without the shrouds (assuming that I ever get my 110 together
> and running again).
>
> Stephen Upham
> Dallas, Texas
> Corvairium II
>
> Mid prod. #18732 -1965 Monza sedan 110 (now closer to 0 as the engine
> is in pieces all over the garage floor)
> Sierra Tan (originally, currently Copper) - Saddle, PG, A/C, original
> AM/FM, clock, tint, oil bath air filter, vertical bumper guards, w/ 77K
> (and indefinitely holding)
> (Back in group red : (
>
> I have run tests with and without the lower shrouds running at highway
> speeds and noting both cylinder head temps and oil temps. There is a
> significant reduction in these temps with the lower shrouds removed.
>
> I think you are correct in your theory that there is air under the car,
> but apparently it's not as much as you theorize.
>
> I have seen GT3 Corvairs with an underbody air dam somewhere under the
> rear of the car, maybe around the transmission, I don't remember
> exactly, which is meant to "spoil" this air flow. It does exist, but,
> again, it is apparently not as significant as to completely disturb the
> airflow coming from the fan.
>
> Bruce
>
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