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Old Mar 19, 2013 | 10:16 PM
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Default Hard Top ID

I bought a hard top for my 63 many years ago. I did not know what year it was from because it fit and at the time that was all I was interested in. The back plexiglas has since spider webbed pretty bad so I would like to put a new window in. Are all years the same or will I need to find out the specific year? Is there something on the window that will tell me the year? Thanks for any help I can get.
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Old Mar 19, 2013 | 10:18 PM
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There should be a date code in the window, but as for shape, they are all the same.
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Old Mar 20, 2013 | 08:10 AM
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What is the sequence on the date code? Thanks.
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Old Mar 20, 2013 | 08:49 AM
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IIRC, there's also a date on the fiberglass underneath the headliner (I think). Can't recall if it was ink or stamped.
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Old Mar 20, 2013 | 09:01 AM
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Originally Posted by kingwoodvette
What is the sequence on the date code? Thanks.
Two letter code. A-L Jan to Dec and a year code. 66-F, 67-G

I don't remember 63-64 year codes.
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Old Mar 20, 2013 | 10:27 AM
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Thanks. Unable to find a date code on my 63 HT, must be a replacement.
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Old Mar 20, 2013 | 11:10 AM
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Originally Posted by kingwoodvette
Thanks. Unable to find a date code on my 63 HT, must be a replacement.
It could be original and the code hidden by the window seal.
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Old Mar 20, 2013 | 12:05 PM
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Originally Posted by vetsvette2002
It could be original and the code hidden by the window seal.
I have never seen the stamping covered by a seal. Here is an example of one a '67 top

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Old Mar 20, 2013 | 12:49 PM
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According to Noland Adams book on page 113 - "early '63 hardtops had an interference problem with the top rear corner of the door. Later tops, after 12-4-62, had a cutaway to provide extra clearance".

He lists several running changes made during the '63 model year in trim and brackets, such as rear widow inside trim originally being two piece but later changed to three, and a rear window reinforcing bracket being added.

It may be possible to identify if your top is a '63 by checking these items.

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Old Mar 21, 2013 | 10:35 PM
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I just went and checked my window, and it has the same exact code as the one posted by provette67. How do you decode those numbers. Do all of the windows have the same codes?
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Old Mar 21, 2013 | 11:47 PM
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Originally Posted by Jymmeye
I just went and checked my window, and it has the same exact code as the one posted by provette67. How do you decode those numbers. Do all of the windows have the same codes?
Hardtop rear window date coding varied over the years for midyears (63-67). The date code in the above picture translates the “J” (lower left) = October, and the “F” (upper right) = 1966. So, the Plexiglas in the picture was manufactured October 1966.
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Old Mar 22, 2013 | 08:34 AM
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I bought a hardtop several years ago that was off a 67, covered in vinyl. During resteration of the top I noticed a number punched into the frame under the area where the weather strips fit. Can't remember the exact location, but I think it was bottom of the sail panel. The number was was very difficult to see.

Last edited by macs65; Mar 22, 2013 at 08:47 AM.
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Old Mar 22, 2013 | 08:53 AM
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Tuxnharley: have 3 piece molding and rear glass support. You mention a cutout for additional clearence; how would I recognize this?
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Old Mar 22, 2013 | 09:12 AM
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Originally Posted by kingwoodvette
Tuxnharley: have 3 piece molding and rear glass support. You mention a cutout for additional clearence; how would I recognize this?
It would be on the bottom corner (which points to the door handles); a slight cut to clear that upper corner of the area, maybe about 1/3 of an inch higher than the rest of the bottom line, to the rear of the stainless steel trim piece behind the side window.
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Old Mar 22, 2013 | 09:16 AM
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Originally Posted by Jymmeye
I just went and checked my window, and it has the same exact code as the one posted by provette67. How do you decode those numbers. Do all of the windows have the same codes?
The date codes are not all the same
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Old Mar 22, 2013 | 09:25 AM
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Originally Posted by kingwoodvette
a cutout for additional clearence; how would I recognize this?
Here, this is a rough drawing (Adobe Illustrator) I just did approximating it, see arrow

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Old Mar 22, 2013 | 11:17 AM
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Originally Posted by ifitgoesfast
Here, this is a rough drawing (Adobe Illustrator) I just did approximating it, see arrow

Thanks for the drawing. Looks like mine has a very small relief , 1/8" or less in this area. Seems smaller than you suggest. Perhaps someone way back did a little "field adjustment"
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Old Mar 22, 2013 | 11:30 AM
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My drawing might've exaggerated how much cut out, but that's basically where it should be.
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Old Mar 22, 2013 | 01:11 PM
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Here's a pic of a notched '63 top:

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Old Mar 22, 2013 | 01:15 PM
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Originally Posted by ifitgoesfast
My drawing might've exaggerated how much cut out, but that's basically where it should be.
Here's a pic of the so called 63 HT notch.

Also, here's a pic of the date code on a 63 HT.

My eyes aren't as good as they used to be, and the pic is blurry, but you can see that the 63 HT's are dated in the format M-YY, This one looks like 7 63.

Chuck
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