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COPO 70 RS/Z28
12-28-2008, 10:38 PM
I was wondering about these caps. I have two I assume they are originals and not repops thee are slight differences between the two.

Any input?????

CAP1

http://i271.photobucket.com/albums/jj121/70COPORSZ28/PC280073001.jpg
http://i271.photobucket.com/albums/jj121/70COPORSZ28/PC280074002.jpg
http://i271.photobucket.com/albums/jj121/70COPORSZ28/PC280075003.jpg
http://i271.photobucket.com/albums/jj121/70COPORSZ28/PC280076004.jpg

CAP 2

http://i271.photobucket.com/albums/jj121/70COPORSZ28/PC280077005.jpg
http://i271.photobucket.com/albums/jj121/70COPORSZ28/PC280079007.jpg
http://i271.photobucket.com/albums/jj121/70COPORSZ28/PC280080008.jpg

Thanks

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COPO 70 RS/Z28
12-30-2008, 06:04 PM
OK,

Here is the question....

Assuming originality (I dont have a clue about these) Cap one has a ridge partial on the lift tab but cap two has a ridge all the way on the lift tab.

Does anyone know the application of these or any other info. one is off a 67 and one is off a 70. What about the different numbers underneath??

Thanks

http://www.yenko.net/ubbthreads/images/graemlins/hmmm.gif

http://www.yenko.net/ubbthreads/images/graemlins/biggthumpup.gif
JohnZ
01-03-2009, 04:58 AM
The numbers are cavity numbers - those caps were shot in multiple-cavity injection molds, and each individual cavity was numbered for internal traceability.

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Tommy_Mathison
01-04-2009, 11:29 PM
[ QUOTE ]
OK,

Here is the question....

Assuming originality (I dont have a clue about these) Cap one has a ridge partial on the lift tab but cap two has a ridge all the way on the lift tab.

Does anyone know the application of these or any other info. one is off a 67 and one is off a 70. What about the different numbers underneath??

Thanks

http://www.yenko.net/ubbthreads/images/graemlins/hmmm.gif

http://www.yenko.net/ubbthreads/images/graemlins/biggthumpup.gif

[/ QUOTE ]

The partial ridge cap is correct for 1969 and previous years; not exactly sure how far back. The full ridge cap is correct for 1970 and up.