<VV> Cooling was A/C Update - 66 Monza

[Ron]

How do you know that it eliminates the need for a heat shield?
RonH

----- Original Message ----- 
From: "Marc Marcoulides" <hharpo at earthlink.net>
To: <virtualvairs at corvair.org>
Sent: Friday, June 22, 2012 10:51 AM
Subject: <VV> Cooling was A/C Update - 66 Monza


>
> I am a believer in the deep cast aluminum pan and deep oil pick up as an 
> added cooling aide. I also wear the cast aluminum valve covers on my vair 
> which I believe aide in cooling, the install on these require a mod to the 
> mufflers. I use a resonator from a 1970 Buick Roadmaster (on each side) as 
> this allows the mufflers to ride more outboard from the valve covers. This 
> eliminates the need for the heat shields and I also get a little louder 
> sound that is quieter than glaspacks.
>
> -----Original Message-----
>>From: "Bill H." <gojoe283 at yahoo.com>
>>Sent: Jun 22, 2012 10:10 AM
>>To: virtualvairs at corvair.org
>>Subject: <VV> A/C Update - 66 Monza
>>
>> B"H
>>
>>Hi all..hope all you in Heat Wave Land are staying cool!
>>
>>Anyway, I completed the repairs on the A/C in my 66 Monza Sport Sedan. I 
>>charged the system with Freon, connected the belt, and added dual cooling 
>>fans to the condenser and a PrestoLite idle-up solenoid, along with a 
>>relay to control these accessories plus the compressor clutch.
>>
>>The system blows nice and cool, but after driving in heavy city traffic 
>>for about 30 minutes, the engine starts to ping loudly and I know I'm 
>>overheating. So I turn off the A/C and I've got a hot condition for a 
>>while but the pinging stops, and the car drives fine while I sweat in 90 
>>plus weather.
>>
>>Thinking about what would cause the overheating problem (although heavy 
>>city traffic is much harder on a car than highway driving), I took off the 
>>cover to the oil cooler. This is the first time I've done this on a 
>>Corvair. There was a blanket of stuffed insulation which no doubt got 
>>sucked in from the engine lid insulation pad, which is shredding badly. I 
>>cleaned out all the junk as best I could, removed the insulation from the 
>>engine lid, but there is still some debris in between the plates. BTW I 
>>have the 12 plate cooler, which was installed in A/C cars. Also of note is 
>>that I only use Mobil 1 synthetic since it is supposed to handle high 
>>temperatures better.
>>
>>Today I got a few minutes farther before the pinging started again. I'm 
>>planning on removing the oil cooler and making sure its oil passages are 
>>clear, and cleaning out any remaining junk between the plates.
>>
>>One question I have is that the Chevy shop manual says to replace the 
>>seals to the oil cooler if you remove it. Is this required? Also, would 
>>you folks recommend an oil change even though the oil is still pretty 
>>clean, it's been superheated a few times already?
>>
>>Another option I'm looking into is adding water injection, a fine mist 
>>into the intake when the A/C compressor is on. That cured the pinging 
>>problem I had with my 69 and it can, in my opinion, only help keep the 
>>engine cooler on hot days with the A/C on. I'd control it from the same 
>>relay that operates the idle-up solenoid and A/C equipment, and possibly 
>>from the dash as well (turn it on after the engine warms up).
>>
>>Thanks for listening, any feedback would be appreciated! Stay cool...
>>
>>Bill Hershkowitz 66 Monza Sport Sedan 110 PG A/C
>>
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