<VV> '61 Fresh Air Plenum

[Frank DuVal]

I'm with your observation Bill. On most late models, the ones with the 
long fresh air hose, I blocked the shroud hole instead of selling the 
customer a long hose. On earlies, it was just as cheap to replace that 
4" of hose! Oh yes, lates use the expensive oval hose.

Maybe that's why earlies are better! :-)

Frank DuVal

If bone stock, then a new hose goes on.

Bill Hubbell wrote:
> How do you figure, Ron?  The heat from the bottom of the engine should clear
> your windshield very quickly, unless, of course, you just drove through a
> deep puddle of water.  Even if that is the case, I don't really see how the
> upper shroud air would help, because once the water gets into the system you
> need heat to vaporize it.
>
> All I know is that on my 1964 sedan with a completely rebuilt and perfectly
> working fresh air heater, I never use the "Air" control - it just doesn't
> add anything useful.
>
> Bill Hubbell
>
>
> -----Original Message-----
> From: virtualvairs-bounces at corvair.org
> [mailto:virtualvairs-bounces at corvair.org] On Behalf Of Ron
> Sent: Tuesday, September 18, 2007 2:11 PM
> To: whubbell at umich.edu; 'Kent Duncan'; virtualvairs at corvair.org
> Subject: Re: <VV> '61 Fresh Air Plenum
>
> The kick panel vents don't help your defroster one bit and that's what that 
> upper shroud duct is for.
> RonH
>
> ----- Original Message ----- 
> From: "Bill Hubbell" <whubbell at umich.edu>
> To: "'Kent Duncan'" <kent_duncan at yahoo.com>; <virtualvairs at corvair.org>
> Sent: Tuesday, September 18, 2007 10:01 AM
> Subject: RE: <VV> '61 Fresh Air Plenum
>
>
>   
>> Corvairs could be equipped with a "Heater Delete" option (often done in
>> warmer climates), in which case not only would the engine top shroud be
>> blocked off but also the lower shrouds, all the holes in the car for the
>> heater hoses, and the heater motor and plenum would be missing, as well as
>> the heater control, cables, and wiring.  If this is the condition of your
>> car you will have nothing to hook up a hose to (and if this is indeed what
>> your car is like, please send me the Fisher Body tag information or better
>> yet, a clear photo of it as it will help us in our quest to decipher the
>> accessory codes)
>>
>> However, more than likely, somebody just blocked off the upper shroud. 
>> The
>> primary reason: many people feel that the "fresh air" outlet off the upper
>> shroud robs the engine of essential cooling air (especially cylinder #5)
>> leading to early engine failure.  Besides, you can always get cool fresh 
>> air
>> by opening the kick panel vents, so it is not really necessary.  If you 
>> have
>> a "fresh air heater" and the air coming out of the floor vents is too hot
>> when you use the "heat" control (and it will be, if all your hoses,
>> thermostats, etc. are working properly!), just open the kick panel vent a
>> bit and you will get a nice mix of air (except on hot days of course, but
>> then why would you be using your heater?)
>>
>> Bill Hubbell
>>
>> -----Original Message-----
>> From: virtualvairs-bounces at corvair.org
>> [mailto:virtualvairs-bounces at corvair.org] On Behalf Of Kent Duncan
>> Sent: Tuesday, September 18, 2007 12:14 PM
>> To: virtualvairs at corvair.org
>> Subject: <VV> '61 Fresh Air Plenum
>>
>> The fresh air plenum on the engine shroud of my '61
>> Monza is equipped (?) with an apparently "factory"
>> block off plate.  While I've got things apart, is
>> there any reason not to remove that plate and add the
>> necessary hose between the engine shroud and heater
>> plenum?  Will this change alone give me "fresh air"
>> capabilities for the interior?  Is this a factory
>> delete of some kind, and if so, why would anyone
>> choose it?
>>
>> Thanks--what a great source of advice this forum is!
>>
>> Kent Duncan
>> '66 Monza
>> '61 Monza
>>
>>
>>
>>
>>     
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