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What do I need in order to add a choke on a List 4780

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  • What do I need in order to add a choke on a List 4780

    I bought a used 400 HP manifold with a rebuilt 800 cfm Holley 4780 carb a few months ago, to swap away from the dual quad setup on my Chevy 409. I like the idea of simplicity, and I figured this would help.
    I recently got them bolted onto the engine and found that the carb has no choke. Not even a choke plate. I know next to nothing about carbs and didnít notice when I bought it.

    Can anyone tell me whether it's possible to add a choke (electric maybe?) and, if so, exactly what parts I'll need to do that? (Can you tell by the picture?)

    I do have a 650 cfm Edelbrock carb here, that has an electric choke. Would I be able to move that choke assembly onto the Holley to start with, and then buy the additional pieces to complete the job?
    Click image for larger version

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