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Algetsa911's Avatar
 
Join Date: Oct 2013
Posts: 7
Cabriolet to hardtop conversion

This is my first thread and it could leads to some rocks being thrown at me..

So I'm based in Australia and I've been searching for a 964 C2 manual for a while - No luck - there are none available!

There are some well-priced cabriolets around, and the curious one in me got to thinking about modding a cabriolet into a hardtop - given I also want to use the 964 as a base for a backdate ST. In some ways it could be good (theoretically) because the factory stiffening which was done to the Cab's coupled with a 4point roll-bar and strut brace could make a very stiff car to work from.

Anyone seen this - heard of this - done it - avoided it? I'll take advice from all comers.

Old 10-29-2013, 01:06 AM
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Location: Denver
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Relatively easy. Find a complete top- non sunroof preferably, measure, measure again, cut and weld. Make sure you have the car on a solid flat surface and it's perfectly level due to flex and off measurements.
You'll also need couple door glass and frames, quarter windows and back glass. Windshields are the same.
The non sunroof tops are easier because of the drainage holes.
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Old 10-29-2013, 08:30 AM
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Thats great. Ar the coupe roofs prefabricated with the body or attached onto the chassis? I'm assuming by doing it the way you've suggested there's no structural issues if done well?

I know it's not conventional work in order to get a backdate project up and running but i may just be necessary in order to get a decent base car
Old 10-29-2013, 01:15 PM
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Cab RS backdates.....not many around, I would do what I did. Cage it and run it as-is with the back dated body parts.
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1983/3.6, backdate to long hood
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Old 10-29-2013, 02:41 PM
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There's a guy on here who did that. There's a thread somewhere photo documenting what he did, you can probably find it if you search.
Old 10-29-2013, 02:55 PM
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Zags in Penrith NSW have done this before:

Zag Auto -1973 911 RSR Replica - Tangerine Orange
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Old 10-29-2013, 03:14 PM
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Thanks Ryan.
McLovin these are the threads I've found: 911-cab-girly-car
and
cheap-long-hood-another-back-date-project

both with VERY different approaches to solving (mostly) the same problem

Old 10-30-2013, 02:11 AM
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964 , conversion , hardtop , roof , roof conversion


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