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Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: November 01, 2017 02:00PM

At the rear end of the 1964 Convertible Quarter Window upper slot there were attached these rubber coated metal pieces - one piece on the inner panel attached with one screw and another piece attached on the back panel attached with two screws. I suspect that they may have originally been one piece of rubber coating the two metal inserts and acted as some kind of water seal for the glass, similar to Clark's part # C9942 which is inserted at the FRONT of the window slot on the door pillar. This is NOT that part, and I can find no reference in Clark's catalog to it, but I think it might be called the "Strip, body back pillar upper corner" - left and right versions. If I am correct, the original GM part numbers were: (Left) 4874959 and (Right) 4874958.

In any event, can anybody provide more information about this part(s). Better yet, does anybody still have this part in good condition, either on their car or on the shelf, and could provider photos of it? I would like to see about getting this part reproduced if I can verify its original nature.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: November 01, 2017 02:09PM

In case it wasn't clear, these photos more clearly show the location of the part(s).

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: FLSteve ()
Date: November 02, 2017 04:47PM

Look on page 214 I think that is what your looking for!

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: November 02, 2017 04:50PM

No, this is NOT THAT PART. I have that part and it goes on the door pillar.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: November 02, 2017 06:20PM

This may help to clarify.

The first photo shows my finger pointing to the part that Clark sells, placed where it belongs on the door pillar at the front of the slot that the quarter window slides through.

The second photo shows a screwdriver handle positioned at the back of the window slot. This is where the part I am asking about is attached.

The third photo compares (left to right) the Clark's part with the original part it replaces, and then the part I am asking about is on the far right. As you can clearly see, it is not the same part - it is larger and shaped differently.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: November 02, 2017 06:28PM

Here are some more photos showing the mystery part - it came out of the car in two pieces of metal with bits of rubber attached, but I have attempted to show how I think it was originally one piece (with two metal inserts) by positioning it in cardboard that I slotted to support it.

I should add that this is a 1964 Monza convertible with Factor A/C, produced in Sept 1963, in case that makes any difference.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: November 02, 2017 06:30PM

A couple more shots attempting to show how this is attached to the car.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: November 02, 2017 06:41PM

And this is a repeat of the photo with my finger showing the Clark's insert, but now with red lines showing the approximate positioning of the metal inserts for the mystery piece.

Again, just to make it clear, Clark's part is for the FRONT upper corner of this slot; the part I am asking about is for the REAR upper corner.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: June 18, 2020 09:37AM

Bumping this thread - I’m still looking for information and trying to get these pieces reproduced.
This seal (or Flap) attaches to the REAR upper end of the quarter window channel (as opposed to the seal at the FRONT end - which Clark’s sells as part # C9942). It is hard to see unless you lower the top. There are right and left versions
I would like to see this part reproduced, and Cal Clark has expressed interest, but to do so, we need a pair of them in good condition and some additional information: were they used on all Early Model Convertibles (‘62-‘64) or just certain years?

If you own or have access to an early model Corvair convertible, please check for these seals and let me know your findings.

If you happen to have a matched set of these and would be willing to lend them out as templates for reproduction, please let me know.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: The Stig ()
Date: June 18, 2020 10:44AM

I checked the three here at my house currently.
Two 64's and a later '63. All three have them. However they are in no better shape then yours. I would be interested in them if they are reproduced.

-Geoff

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: corvairgreg ()
Date: June 18, 2020 11:43AM

My 64 convertible (production date 3rd week of March) has them on both sides. The driver side is broken in two pieces similar to Bill's but the passenger side one is intact.

I can take it out if needed.


Greg

Greg Hanlin
Dayton OH

1964 Monza Convertible
1965 Corsa Convertible
1966 Corsa Convertible
1963 Greenbrier

Dayton Corvair Club
CORSA

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: jjohnsonjo ()
Date: June 18, 2020 05:54PM

You'd be surprised what you can reproduce yourself with home made molds and black RTV silicone.

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: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: June 18, 2020 07:08PM

Posted by: jjohnsonjo ()
Date: June 18, 2020 08:54PM

You'd be surprised what you can reproduce yourself with home made molds and black RTV silicone.

J.O.

Can’t make a mold without knowing what it looks like to begin with.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: caroseiii ()
Date: June 18, 2020 07:46PM

I bought used ones from California Corvairs I think about ten years ago, Bill. These seem to be on all the convertibles I've seen from 62 to 64.

Crawford

C.A. Rose
Metairie, LA
1962 Spyders

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: RThompson ()
Date: June 19, 2020 06:38AM

whubbell Wrote:
-------------------------------------------------------
> This may help to clarify.
>
> The first photo shows my finger pointing to the part that Clark sells, placed where it belongs on the door pillar at the front of the slot that the quarter window slides through.
>
> The second photo shows a screwdriver handle positioned at the back of the window slot. This is where the part I am asking about is attached.
>
> The third photo compares (left to right) the Clark's part with the original part it replaces, and then the part I am asking about is on the far right. As you can clearly see, it is not the same part - it is larger and shaped differently.

Hi Bill,

I have an unmolsted 64 Convertible I am working on. I will check on mine maybe later this weekend or Monday and let you know what I find as far as the rubber flaps.

Rich

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: June 20, 2020 04:02PM

There is a dearth of information about this part: its existence, let alone its function, is not even mentioned in the shop manuals. However, a careful inspection based on its location in the car suggests its function is to seal the point where the top frame (roof rail weatherstripping) comes in contact with the rear quarter panel. But I think it also helps to stabilize the rear end of what is called the “belt finishing molding” (see photo). I have discovered that with this seal not installed, the rear end of the belt finishing molding “floats”.

Bill Hubbell,
President, Stock Corvair Group

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: June 23, 2020 06:00AM

After further review, I have concluded that the GM part numbers I listed at the beginning of this post are actually the numbers for the part sold by Clark's as # C9942. This is actually confirmed by the attached photo of the original right side lock pillar seal from the Glen Corvair - 4874958 - Strip, right body back pillar upper corner.

Therefore, I did some further searching in the GM parts book, and, while I do not have confirmation yet, I think I might have found the part on page 573 of the March 1, 1964 parts book, under Group 13.352 WEATHERSTRIP, Folding Top Compartment:

62-64 MONZA (CONV.) right, side panel 4874456

62-64 MONZA (CONV.) left, side panel 4874457

Unfortunately, there are no drawings or other documentation I've yet found to confirm this. However, I don't know what else could possibly qualify as "side panel weatherstrip" in the folding top compartment - do you?

If we can find at least one of these parts still in good condition, we might be able to find the part number on it. As you can see from the photo of the lock pillar seal, the part number is molded into the rubber, so any hopes of confirming the part number will rest on finding one with rubber still in good enough condition.

Bill Hubbell,
President, Stock Corvair Group



Edited 4 time(s). Last edit at 06/23/2020 06:09AM by whubbell.

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: FLSteve ()
Date: June 23, 2020 02:04PM

So the question is what are the other models using?

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: caroseiii ()
Date: June 23, 2020 07:28PM

The part number is on it! Group 11.015

C.A. Rose
Metairie, LA
1962 Spyders

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Re: Early Corvair Convertible Quarter Window Rear rubber "flap"
Posted by: whubbell ()
Date: June 24, 2020 03:21AM

Yes, but that’s not the correct part - that’s the front (or lock pillar) seal. I only posted it as an example of what to look for on the rear seal if we can ever find one in good enough condition.

Bill Hubbell,
President, Stock Corvair Group

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