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Thread: Holley Rebuild
          
   
   

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  1. #1
    327,JET's Avatar
    327,JET is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 76 Nova
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    Holley Rebuild

     



    I have a Holley model 4165 spreadbore carb , it is 800 C.F.M. and has mechanical secondaries. The choke has been removed and it pop's when the engine is cold . I am thinking of rebuilding it . I think at least one of the power valves is blown. I would replace it and install a power valve protector kit.The carb run's really rich does anyone know what jet's I should be using . Also would it be worth it to try to hook the choke back up or mill the top of the carb for more flow? I won't be running it in cold weather anyway.The carb is on a 70 454 running about 425 H.P. with a Edelbrock Performer manifold.

  2. #2
    djpritchard1 is offline CHR Member Visit my Photo Gallery
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    I want to see if I can get some response to this post, as I see no response, and I've got similar questoins.

    I have a Holley four barrel on a 289 Ford and it is also running rich. I would like to work this issue, while also rebuilding it, so does anyone out there have any idea how to help me out.,

    Are Holley's that difficult to rebuild and what is the best way to approach cleaning up the carburetor - suggested cleaner?

    THanks

    Dave

  3. #3
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Dave, the first thing you might want to get is one of the Holley Performance Books, they will go through the rebuild and tuning procedures step by step.
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  4. #4
    lt1s10's Avatar
    lt1s10 is offline CHR Member Visit my Photo Gallery
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    you might have answered your own ? if the power valves are blown then its gonna run rich. i would want to have a choke. and you need to read up on the holly carb. before you try to rebuild it. its a easy carb to work on, but you need to understand what you are doing.
    Mike
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