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Thread: Starting process - Twin Spark engine two independent primer switches? Can you help?

  1. 06-13-2020, 01:23 AM #1
    Alif786
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    Starting process - Twin Spark engine two independent primer switches? Can you help?

    Hi all,

    Building (well having someone build for me) a 1971 911 2.5ST and wanted to get some clarification on the ignition spark priming/start switches in the cabin. There seems to be two toggle switches under the instrument binnacle that get pulled down to prime the ignition.

    Like these in the pic in the post or this link:

    https://youtu.be/i7a5mGoATGY

    There seems to be two pull down toggle switches that prime the twin sparks on each ‘bank’ (or top and bottom). Anyone know where to get them and I assume this wires to the ignition banks?

    So trying to replicate this. Anyone got ideas on the switch and is this just two feeds taken from the ignition barrel?

    Sorry for the lack of education here but appreciate if someone can enlighten me!

    Cheers,

    Ali
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  2. 06-13-2020, 01:28 AM #2
    Alif786
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    Pic attached Name: AC5A8502-949A-47C0-8DEA-EBDFF64F4872.jpg Views: 237 Size: 38.8 KB

    Pic zoomed in again that shows ignition 1 and 2
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  3. 06-13-2020, 05:14 AM #3
    BURN-BROS
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    I believe both SWF and Hella have made those pull switches. The new hella examples are similar but not as nice looking as the originals.
    Aaron Burnham
    Burnham Performance
    1071 Avenida Acaso ste D.
    Camarillo, Ca. 93012
    805-240-6931

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  4. 06-15-2020, 02:20 PM #4
    Alif786
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    Thanks will check it out. Appreciated!
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