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Re: Can missing summer/winter plate cause overheating?
Posted by: 4MiloEli ()
Date: April 27, 2010 01:53PM

Thank you, gents. It's always a help when you not only know what to do, but the reason WHY. It leads to better decisions on related matters later.

Jay Pitchford
65 Corsa convertible
Columbus OH


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Re: Can missing summer/winter plate cause overheating?
Posted by: oldies70 ()
Date: July 03, 2019 08:06AM

I have had my 67 500 sports coupe since new. It didn't come with a summer/winter plate so I have never used one. I was in SC until 2006 and my car was there until 2015 and it has always ran hotter in the summer,than I thought it was supposed to. Needless to say, I am n not very mechanically inclined, but I had a good friend who had been a Corvair mechanic and he kept my car ruining while I was in SC. Since I have had my car here in St Louis, I joined the show-me Corvair club and after numerous tech sessions, my car is much the better. It was spark knocking up a storm, the other day coming back from a car show and after analysis by some of our top knowledgeable members, there was a consensus that most of my problem was the missing cover. I am letting car rest until I can secure one. Just wanted to throw my two cents in, thanks.

Tom Yengel
Original owner 1967 500 coupe

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Re: Can missing summer/winter plate cause overheating?
Posted by: MattNall ()
Date: July 03, 2019 08:17AM

That's hard to believe! You can make one until you get the correct part... beer can and scissors!


Walt Davidson [ rip] often told the story of the UltraVan original owners... 38k miles of use...

Temp light would come on every 45 minutes or so on hot days... so they'd pull over and let it cool!

Walt met them at a UV meet.. pulled the Fan shroud... removed "Flashing" left by the factory...and they never had another problem...

So you are not alone!

MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: Can missing summer/winter plate cause overheating?
Posted by: irfgt ()
Date: July 03, 2019 08:54AM

I have left mine off for years and never had an overheat. It keeps the carb from icing winter or summer. After the thermostat doors open it makes very little difference. Most of the exhausted air goes out the bottom. 1965 Corsa turbo. If your car overheats with the plate off you have problems elsewhere. All GM cars were designed with a cooling capacity 30% larger than necessary.

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Re: Can missing summer/winter plate cause overheating?
Posted by: jjohnsonjo ()
Date: July 03, 2019 03:38PM

irfgt Wrote:
All GM cars were designed with a cooling capacity 30% larger than necessary.


That does not include a turbo Vair.

J.O.

65 Corsa Turbo Vert
79 Honda XL 500S
69 Honda CL 160 D
2010 BMW F 650 GS
2003 Bounder 36D
2013 KIA Optima SX turbo-AKA ZIPPY (wife,s car)
69 Newport Holiday Sailboat
Baja 150 dune buggy cart
Coleman HS 500 UTV
2016 KIA Sorento SXL Turbo

Bethlehem,Pa


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Re: Can missing summer/winter plate cause overheating?
Posted by: joelsplace ()
Date: July 04, 2019 09:50AM

That is for sure. The turbos may have had 30% less than necessary at best.

Joel
Northlake, TX
5 Ultravans, Lost count at 100 Corvairs...

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Re: Can missing summer/winter plate cause overheating?
Posted by: Richard ()
Date: July 04, 2019 06:13PM

Corvair Service Manual and the owners manual might be good places to look and find out what you are supposed to do with the air circulation plate. Both show the plate in the Winter position.

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Re: Can missing summer/winter plate cause overheating?
Posted by: Ron62 ()
Date: July 08, 2019 11:14AM

My 67 110 PG is stock and has a summer winter plate installed. However it only covers half of the rectangular hole in the shroud. I this normal or am I missing something. Also there is a u shaped hole underneath the coil I something missing there as well ?

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Re: Can missing summer/winter plate cause overheating?
Posted by: Spectre ()
Date: July 08, 2019 11:16AM

Ron62 Wrote:
-------------------------------------------------------
> My 67 110 PG is stock and has a summer winter plate installed. However it only covers half of the rectangular hole in the shroud. I this normal or am I missing something. Also there is a u shaped hole underneath the coil I something missing there as well ?


Those holes are for SMOG eqipment. I have seen non-SMOG cars with those holes, so I guess GM punched the holes in everything.

David Clamp


1965 Corsa convertible - 140 4spd/3.55/AM-FM

2013 Mustang GT convertible - 5.0, 6spd auto, Procharger i-1

2003 Miata SE - 6spd manual (wife's toy)

"Victory is mine!" - SG

Norman, OK

<a href="[www.wunderground.com] src="[weathersticker.wunderground.com]; alt="Click for Norman, Oklahoma Forecast" height="90" width="160"></a>

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Re: Can missing summer/winter plate cause overheating?
Posted by: Ron62 ()
Date: July 08, 2019 11:19AM

So I assume I should block them ?

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Re: Can missing summer/winter plate cause overheating?
Posted by: MattNall ()
Date: July 08, 2019 11:41AM

YES! Cover every hole you can see. there's one under the coil also!

MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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