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Thread: Help Fitting the Side Louvers

  1. #1

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    Help Fitting the Side Louvers

    I purchased the assembled louvers from FFR and had the cutouts for them done at the factory. The approximate size of the cutout from the factory are 6 7/8" in length and 4 1/2" in height. I knew I would need to trim them to make the louvers fit correctly. The approximate size of the louvers is 8 9/16" length and 4 5/8" height. To make the louvers fit correctly it seems I need to cut out a good amount of fiberglass. What I though would be trimming and fitting now appears to be cutting and reshaping. Before I do that I just wanted to see if I've missed something. The picture below shows about how much fiberglass would need to be removed to make the louvers fit. Is this typical? I used the bottom of the factory cutout as the reverence point and assume most material would need to be removed toward the rear of the car?

    What am I missing here??? Help!

    Thanks


    20180722_152940.jpg

  2. #2
    Papa's Avatar
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    Quote Originally Posted by japollon View Post
    I purchased the assembled louvers from FFR and had the cutouts for them done at the factory. The approximate size of the cutout from the factory are 6 7/8" in length and 4 1/2" in height. I knew I would need to trim them to make the louvers fit correctly. The approximate size of the louvers is 8 9/16" length and 4 5/8" height. To make the louvers fit correctly it seems I need to cut out a good amount of fiberglass. What I though would be trimming and fitting now appears to be cutting and reshaping. Before I do that I just wanted to see if I've missed something. The picture below shows about how much fiberglass would need to be removed to make the louvers fit. Is this typical? I used the bottom of the factory cutout as the reverence point and assume most material would need to be removed toward the rear of the car?

    What am I missing here??? Help!

    Thanks


    20180722_152940.jpg
    Joel,

    After trimming the openings for my louvers, my openings are 7"x5".



    Dave
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  3. #3
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    When I installed the Louvers on my roadster, theopening in the fiberglass overhung the louvers by 3/16” all the way around. It seemed that most photos of cobras I’ve seen look like this
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  4. #4
    Not a waxer Jeff Kleiner's Avatar
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    The factory cuts are for the bend 'em yourself louvers. This is not the proper size, angle or corner radius for the assembled variety. I have a template I use for the assembled ones---shoot me a PM with an address and I'll send you a copy.

    Jeff

  5. #5

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    Thanks Jeff. Sent you a PM. Joel

  6. #6
    Not a waxer Jeff Kleiner's Avatar
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    Guys,
    I've had a few of you sending PMs asking for the template. Happy to send them out but they are cardboard---can't send that via e-mail or through Private Message replys I need a snail mail address!

    Here's a tracing showing how the assembled louver cut line compares to the FFR cutouts (which I have found vary widely):



    BTW, a 1 1/2" sanding drum in a pneumatic die grinder or drill is perfect for the corner radius.

    Cheers,
    Jeff

    louvercutout.jpg

  7. #7

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    Jeff, Thank you for everything. It looks as if you sort of split the difference, front to back, when enlarging the cutout. Is that correct? Joel

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