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Thread: FS: ALU calipers 3.5"

  1. 07-13-2021, 10:31 AM #1
    typ901
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    FS: ALU calipers 3.5"

    *** SOLD ***

    new seals, pads and expanding springs. run briefly on the 912 hot rod before switching to another set w/ SS pistons. I toyed with the idea of moving them to the '73T but laid down until the feeling went away correct from '72.5 - '76, but will fit any 3.5" strut housing.

    $700 + shipping. local pick up OK. *** reduced to $650 ***
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    Last edited by typ901; 08-19-2021 at 10:16 AM.
    84102 purchased in '85 FINALLY started driving it (2/2015)
    '73 911T original paint sunroof coupe waiting in the wings
    3 gauge Holbert 912... now for something completely different
    1940 Mercury town sedan
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  2. 07-13-2021, 05:29 PM #2
    TGA73
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    What car would these have originally been from a 73S?
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  3. 07-13-2021, 08:51 PM #3
    typ901
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    ALU front calipers were introduced on the S model starting in '69. there are 3 different versions these being the last. these could have been fitted as early as mid-'72. I presume they could have been ordered as an option on other models. anyone know for sure ?
    Attached Images Attached Images
    84102 purchased in '85 FINALLY started driving it (2/2015)
    '73 911T original paint sunroof coupe waiting in the wings
    3 gauge Holbert 912... now for something completely different
    1940 Mercury town sedan
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  4. 07-16-2021, 12:52 PM #4
    typ901
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    reduced to $650
    84102 purchased in '85 FINALLY started driving it (2/2015)
    '73 911T original paint sunroof coupe waiting in the wings
    3 gauge Holbert 912... now for something completely different
    1940 Mercury town sedan
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  5. 07-16-2021, 02:08 PM #5
    Arne
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    Quote Originally Posted by typ901 View Post
    I presume they could have been ordered as an option on other models. anyone know for sure ?
    I'm pretty certain that if you ordered Koni shocks the upgrade included the aluminum calipers.
    - Arne
    Current - 2018 718 Cayman, Rhodium Silver, PDK

    Sold - 1972 911T coupe, Silver Metallic; 1984 911 Carrera coupe, Chiffon white; 1973 914 2.0, Saturn Yellow; 1984 944, Silver Metallic
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  6. 07-16-2021, 07:07 PM #6
    jc4me2
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    Nah, I have factory koni’s on my 73.5 and regular 3” calipers.
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  7. 08-07-2021, 07:13 AM #7
    typ901
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    time for a bump
    84102 purchased in '85 FINALLY started driving it (2/2015)
    '73 911T original paint sunroof coupe waiting in the wings
    3 gauge Holbert 912... now for something completely different
    1940 Mercury town sedan
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  8. 08-07-2021, 08:05 AM #8
    friendlyfred
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    my 1971 911T came with 48mm Ate S calipers and Koni shocks. I have records for the car from '72.

    Fred
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  9. 08-19-2021, 03:17 AM #9
    MJHanna
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  10. 08-19-2021, 03:00 PM #10
    davep
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    Quote Originally Posted by jc4me2 View Post
    Nah, I have factory koni’s on my 73.5 and regular 3” calipers.
    There were both 3" and 3.5" Koni's available. I have the part #'s somewhere. However on my options list it is not clear how to distinguish between the two. Perhaps depended on the model of the car it was optioned for. jc4me2 what is your VIN?
    Dave
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