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-   -   Coupe conversion? (http://forums.pelicanparts.com/porsche-911-technical-forum/1137621-coupe-conversion.html)

TMo 04-03-2023 12:40 PM

Coupe conversion?
 
Is there a good reason NOT to convert a cab into a coupe? The car started as a targa and was cut into a cab in the 90's. And had a wide body conversion at the same time.

Besides finding a decent roof clip and having it welded together, along with adding all of the stock parts, what else would I need?

MConn 04-03-2023 02:55 PM

I put a 1969 roof on a 1987 targa. This was the only time I have ever done anything like this. Here's some issues I had to work through:

I made metal jigs for the front windshield, back windshield, and rear quarter glass to make sure the glass openings were close enough.

The A pillars were different widths, and I didn't fix them - so you can see the change in thickness from the inside of the car. I added a metal spline into the pillars to add some strength.

Try to get the headliner rods with the roof, because they seem to vary.

I had a heck of a time getting the roof to the back of the C pillars correct.

The interior trim for coupes is different from the targa so I had to custom make the rear quarter window interior trim.


http://forums.pelicanparts.com/uploa...1680562149.jpg

I don't regret it, and it turned out better than I expected, but it was a lot more work than I expected.

Mike

Rodsrsr 04-03-2023 03:02 PM

What year is it? Might make a difference.

TMo 04-03-2023 05:09 PM

Quote:

Originally Posted by Rodsrsr (Post 11963590)
What year is it? Might make a difference.

It's a 1980. It's supposed to be delivered next week so I can't take any measurements yet.

Rodsrsr 04-03-2023 05:20 PM

For a 1980 I don't see an issue with converting to a coupe. Cool project.

Dpmulvan 04-04-2023 05:20 AM

Here’s a 1980 targa I converted using a mid year roof. Had many of the same issues/ concerns as Macon. I used titanium rods inside the A pillars with 3m structural adhesive along with welding. A roll bar at the least I would recommend. I hung an electric winch from the ceiling and used ratchet straps to lower and raise roof about 300 times. Glad I did it came out better than expected, a few what the hell did I get myself into moments but eventually it all worked out. I wouldn’t do it to a nice blue chip car.http://forums.pelicanparts.com/uploa...1680614365.jpg
http://forums.pelicanparts.com/uploa...1680614365.jpg

wjdunham 04-04-2023 05:48 AM

Before and After shots of my 1969 E (non-numbers matching to start with). I took the same route as others putting rods in the A-Pillars for extra strength. We did the conversion without really touching the rear of the car where the Targa glass once sat.

Bill

http://forums.pelicanparts.com/uploa...1680615665.JPG
http://forums.pelicanparts.com/uploa...1680615665.JPG

Dpmulvan 04-04-2023 07:18 AM

Nice Bill, I too left as much alone as possible.


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