1972 Hardtops
In 1972, could a Corvette be ordered as a removable hardtop only car? If so, would there be any provisions from the factory when new to install a convertible top if desired later on?
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Hi S,
Welcome! Yes, for the 72 model year a car could be ordered with just a hardtop. I'm uncertain what if anything would have been deleted from the car when it was a hard-top only car. |
1972 Hardtops
Alan 71, thanks for the reply. So I'm assuming there would be "pin" holes on the "flip up deck" for a convertible top regardless. Would there be two separate sets of "pin" holes like a C2 convertible (one for convertible top and one for hardtop") or is it just one for both tops? Am not familiar with the hardtop itself...does it have "pins" or "posts" along the bottom to fit those holes or just tabs to screw in the inside of the car near the top of the door to hold it down?
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Just one set of pin holes for both tops. The hard top has two threaded studs that fit in the holes and a bracket slips over the studs on the under side followed by nuts to secure it.
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Thanks for your help, Mortgageguy...much appreciated.
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1972 Hardtops
Thanks for your reply, Mortgageguy.
So if I was to attempt to install a convertible top frame on a "factory hardtop only" '72, are there provisions where the frame would attach to the inside of the car or would something have to be fabricated" |
There should also be a small hole in the center of the deck lid where the hard top sits. I'm not sure if this hole is present if the hard top was not ordered from the factory as the convertible top doesn't use this hole. When not using the hard top there is a small plug that goes into this hole. I'll be installing my hard top soon and will take some more pictures for you.
Don't know what year this is but you can see the small hard top center hole in this picture. http://www.2040-parts.com/_content/i...066701/001.jpg |
Originally Posted by theandies
(Post 1595731270)
There should also be a small hole in the center of the deck lid where the hard top sits. I'm not sure if this hole is present if the hard top was not ordered from the factory as the convertible top doesn't use this hole. When not using the hard top there is a small plug that goes into this hole. I'll be installing my hard top soon and will take some more pictures for you.
Don't know what year this is but you can see the small hard top center hole in this picture. http://www.2040-parts.com/_content/i...066701/001.jpg |
Originally Posted by 68BLUEVETTE
(Post 1595731518)
my 68 doesn't have that hole, nor does the hardtop have an extra pin there, and was a hardtop from factory. Is this just another 68 special? I htought the hardtops were at least the same through all the years.
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Hi,
In looking at the Hardtop Option section in the AIM it appears that the center hole was drilled as part of the hardtop option. The sheet for mounting the hardtop seems to indicate the bracket that attached to the rear center of the hardtop may have been used as a guide for where to drill the hole in the deck lid. UPC CO7, Sheet A6 in the 71 AIM. I'd think it would be the same for 72. The hole is called out as 1/2" +- 1/64". Regards, Alan |
Thanks again, Alan 71,,,would you know if I was to try to install a convertible frame on a "hardtop only" car, are there provisions in the inside of the car to readily install it or would something have to be fabricated?
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Hi S,
I really don't know. Do you know about the Assembly Instruction Manuals that are available from many vendors and were used on the production line in St.Louis? The one for each year of production. There is a section of about 6 sheets devoted to the soft top installation on the production line. If you buy a manual you's be able to look through the installation while looking at your car to see what's going to be involved in installing the top and it's operating mechanism. Are you certain you car was a hardtop only car or is it a car that's had the soft top removed at some time? Regards, Alan |
Originally Posted by SnottyL79
(Post 1595731651)
Thanks again, Alan 71,,,would you know if I was to try to install a convertible frame on a "hardtop only" car, are there provisions in the inside of the car to readily install it or would something have to be fabricated?
My guess is all convertibles were made with the soft-top installation points regardless if it was ordered as a hard top car only. Coupes and Verts have a different VIN so I'd think the convertible birdcage when fabricated would automatically get the attachment points especially if it came from another plant. Not sure what the GM logistic's for Corvette production was back then. If it was ordered hard top only I suspect it is very rare. |
Originally Posted by theandies
(Post 1595731798)
Those would be behind the 1/4 trim panels at the seat backs. You should see a serrated portion of the pillar post and two holes with captured nuts inside and that is where the soft-top is mounted. This is also a major adjustment point for the soft-top. The rear deck holes are used by both tops.
My guess is all convertibles were made with the soft-top installation points regardless if it was ordered as a hard top car only. Coupes and Verts have a different VIN so I'd think the convertible birdcage when fabricated would automatically get the attachment points especially if it came from another plant. Not sure what the GM logistic's for Corvette production was back then. If it was ordered hard top only I suspect it is very rare. |
Originally Posted by theandies
(Post 1595731798)
...especially if it came from another plant...
...Not sure what the GM logistic's for Corvette production was back then... :) |
Originally Posted by Easy Mike
(Post 1595734990)
FWIW: all C3 bird cages, coupe and convertible, were welded up in the basement at St. Louis. They were not provided by an outside source.
I'm waiting to see SnottyL79 responce. |
Originally Posted by 68BLUEVETTE
(Post 1595731518)
my 68 doesn't have that hole, nor does the hardtop have an extra pin there, and was a hardtop from factory. Is this just another 68 special? I htought the hardtops were at least the same through all the years.
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Originally Posted by mortgageguy
(Post 1595740763)
My 72 does'nt either. I bought mine when it was one year old. I feel very confidant it was a factory hardtop car.
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Originally Posted by theandies
(Post 1595741547)
That's strange as I know my 1971 is a factory hardtop car and it came with the hole and pin. I bought it from the original owner and he bought it with the hardtop (or Auxiliary Hardtop as it was called).
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Originally Posted by mortgageguy
(Post 1595745630)
I bought mine from a dealer, so it could have been added to it. I have always assumed it came factory. It was produced in the last week of production for the 72's.
That brings up if the hole and pin would be installed by the dealer if it came without them installed on the top at the time of arrival at the dealer. BTW - Out of the Convertible with the top down, the Coupe and the Convertible with the Hardtop on - The hardtop look is what I like the best. IMO that is the way the Coupe should have been styled. https://cimg1.ibsrv.net/gimg/www.cor...90526248d3.jpg https://cimg6.ibsrv.net/gimg/www.cor...3b834c6a41.jpg https://cimg0.ibsrv.net/gimg/www.cor...a276914093.jpg Hey Alan71 - another mystery production timeline convertible change thread. :willy::rofl::ack: |
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