C3 Convertible Conversion
And post pics of the transformation
I think T-Tops are the best.
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I only bring it up because I`d hate to see somebody cut their car up and buy other parts, just to find that it won`t work without resorting to "bubba" tactics!
Last edited by oldgto; Aug 28, 2015 at 08:49 PM.
The door pillar parts inside the body have the holes for the convertible top frame already inside. They do not have the nut plates that allow the top frame to be bolted in, but you can do that with a few simple nuts and washers.
You have to repair the windshield top edge and figure out how to add the convrtible chrome pieces that allow the top to "snap" closed, or where the hardtop will bolt in. Those can be done, and a small welder can stich up the top of the frame.
The biggest part is the adding of the hinges and mounts for the decklid, as well as the two small latches for the forward decklid locks. These "pads" or guides can be located inside the rear compartment on every coupe. This will locate the top decklid at all four corners, and should be looked at and opened up. Now the rear "clip" can be looked at and assessed. The upper deck is the part you need, and the way it bonds to the rear part of the car is how it should be looked at. The coupe and convertible started on the same line, and use common parts. The disassembly of the rear clip should be carefully done at the bonding strips, as can your coupe. The side fenders should stay in place, they will help you locate the decklid to the rear taillight panel as well as the forward corners of the body.
The Convertible top frame helps locate the height of everything in a way, but the best practice in my opinion is to simply take the body back to where there was the factory decision to build it into a coupe of not. The coupe was an add to the convertible body which was first. The 1968 coupe was late to the party, being added to the production like in December of 1967. The first 7000 cars were only convertibles, and all C3 cars were convertibles first, with the coupe parts added as the order sheets dictated. Study the assembly/parts manual for the year you are working with. That book shows every part you need to address, but you should spend some serious time looking at it. Yours should look like this...and all of them coupe or convertible have these parts.
Do a Forum search for details...it is work the effort AND entertainment!!!!





















