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Thread: clamshell catches

  1. #1
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    clamshell catches

    I have been going thru my parts which I have collected for my build. I noticed that the clamshell latches which I bought seem to have a much larger base which fasten to the car than the originals had. Can anyone tell me if I have the wrong style or am I supposed to cut them down? This is not my car but I have the same latches. Click image for larger version. 

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  2. #2
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    Re: clamshell catches

    X1/9 front roof catches need to be cut down. Here are some reference pics.

    Also some close up shots showing the rubber backing pads that need fabrication.
    JD
    Attached Thumbnails Attached Thumbnails latches.JPG   c4_1_b.JPG   oc_mods3.jpg   DSCN0409.jpg   DSCN0408.jpg  

    Last edited by jeffdavison; 06-04-2013 at 05:53.

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    Re: clamshell catches

    Ah, that explains it. Thanks. Is there any rhyme or reason as to the thickness of the rubber base? I would think with all that rubber there and the flexing that goes on trying to hold together the body panels, it would rip the bolts out of the fiberglass? Maybe there is a huge washer on the underside of the fiberglass?

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    Re: clamshell catches

    The rubber is there to keep the panel swage line lined up, look at the panel join again, closely. Fit m5 penny washers on the inside or make a one piece nut plate then bed it on a pad of wet glass fibre paste.

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    Re: clamshell catches

    Just completed the refurbishment of the various X1/9 catches ready for installation onto the Stratos..............................the chrome is a bit clean for a rally car I know.

    All original brackets were cut down to the required shape and then chromed along with the springs and the original pins, all handles were powder coated in black satin.

    Reassembled with new stainless C Clips and washers.

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    Re: clamshell catches

    Wow, that makes the six I'm doing right at the moment look pathetic. (actually just checked this thread to look at the shape of the bases as I'm about to cut them) Where did you get the springs from?
    Paul.

    Sat in a real one, may never wash again!

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    Re: clamshell catches

    The ends of the handles (black parts) on the rear of round arch group 4s, can need shortening. It depends exactly where they are positioned. Otherwise the ends touch the body before the catch is fully closed.

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    Re: clamshell catches

    No third holes drilled in the top sections?

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    Re: clamshell catches

    The springs are the original's that have been cleaned and chromed, did the same for all the pins as well.

  10. #10
    SEC Member ducatiman's Avatar
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    Re: clamshell catches

    On the third hole I decided not to drill that as I have seen several installations without this with no problems. I will be installing a nice mounting bracket behind to ensure a good secure fixing and also these will be mounted on a hard plastic with a 2mm rubber against the bodywork. This will enable more acurate fitting and ensuring the correct position and the catch will not hit the body work.

    Worried that the third hole is very close to the edge of the body work and if there is some hlding force on the catch could start to damage fibreglass.

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